Which of the following planets has a moon with an atmosphere and is named Triton?

Which of the following planets has a moon with an atmosphere and is named Triton? A. Venus B. Mercury C. Neptune D. Uranus E. Mars Answer:...

What is remarkable about the rotation of Uranus?

What is remarkable about the rotation of Uranus? a) Its rotation period is very long (about 12 years) b) Its rotation axis lies in its orbital plane c)...

Which Jovian planet(s) have a rocky core surrounded by a "slush" layer?

Which Jovian planet(s) have a rocky core surrounded by a "slush" layer? A) Neptune B) Saturn C) Uranus D) A and C E) All of the above Answer:...

What gives Uranus and Neptune their color?

What gives Uranus and Neptune their color? A. lack of atmosphere B. carbon monoxide C. methane D. hydrogen gas E. ice crystals Answer: ...

Immense lightning storms occur in Saturn's southern hemisphere in a region known as:

Immense lightning storms occur in Saturn's southern hemisphere in a region known as: A. Lightning region B. Storm alley C. The Great Red Spot D....

Which popular song lyric most accurately describes the composition of Saturn's rings?

Which popular song lyric most accurately describes the composition of Saturn's rings? A) "Really nice things" - Drake B) "All the single ladies"...

Which of the following planets is the least dense?

Which of the following planets is the least dense?  A. Mars B. Earth C. Saturn D. Uranus Answer: ...

Saturn's rings reflect what percent of sunlight?

Saturn's rings reflect what percent of sunlight? A. 55% B. 60% C. 30% D. 75% E. 25% Answer: ...

What is the name of Saturn's largest moon?

What is the name of Saturn's largest moon? A. Selene B. Titan C. Pandora D. Callisto Answer: ...

Saturn, along with Jupiter, are both known as what kind of giant planets?

Saturn, along with Jupiter, are both known as what kind of giant planets? A. cloud giant B. ice giant C. liquid giant D. gas giant Answer:...

Which of the following describes Saturn's volume ?

Which of the following describes Saturn's volume ? A. 420.68 earths B. 870 earths C. 763.59 earths D. 582 earths Answer: ...

Saturn's bright rings are located within the Roche limit of Saturn. This supports the theory that these rings

Saturn's bright rings are located within the Roche limit of Saturn. This supports the theory that these rings A. are formed of moons torn apart by...

How does Saturn produce its magnetic field?

How does Saturn produce its magnetic field? A. Hot rich iron core B. Circulation of metallic hydrogen C. Does not have a magnetic field D. Through...

How many earth years does it take to make one year on Saturn?

How many earth years does it take to make one year on Saturn? A. One B. Sixteen C. Twenty-Nine D. Eighty Answer: ...

How many spacecraft's have visited Saturn?

How many spacecraft's have visited Saturn? A. Zero B. One C. Six D. Four Answer: ...

How many known moons does Saturn have?

How many known moons does Saturn have? A. 12 B. 21 C. 54 D. 62 Answer: ...

What is the surface temperature of Saturn?

What is the surface temperature of Saturn? A. 97 kelvin B. 120 kelvin C. 58 kelvin D. 85 kelvin Answer: ...

What is the atmosphere of Venus made up of?

What is the atmosphere of Venus made up of? A. 75% Hydrogen 25% Helium B. 25% Hydrogen 75% helium C. Oxygen D. 33% Oxygen, 47% Nitrogen, 20% Helium Answer:...

How does Saturn compare to Jupiter?

How does Saturn compare to Jupiter? A. it is less massive but has more colorful clouds B. it is more massive and has more colorful clouds C. it is...

In addition to the heat remaining from the planet's formation, how is heat is also generated?

In addition to the heat remaining from the planet's formation, how is heat is also generated? A. Helium Precipitation B. the Sun C. Saturn's rings D....

The highest wind speed ever recorded on Saturn was:

The highest wind speed ever recorded on Saturn was: A. 1025 mph B. 100 mph C. 560 mph D. 835 mph Answer: ...

What do Saturn's rings consist of?

What do Saturn's rings consist of? A. Water ice B. Gaseous elements C. Asteroids D. Mere light Answer: ...

What do Saturn's rings consist of?

What do Saturn's rings consist of? A. Water ice B. Gaseous elements C. Asteroids D. Mere light Answer: ...

How would you describe the rings surrounding Saturn?

How would you describe the rings surrounding Saturn? A. Extremely Thick B. Dim, Slightly Visible to a Telescope C. Bright, Wide, and Thin D. Uniform Answer:...

The four "Galilean" moons of Jupiter are Europa, Io, Callisto, and Ganymede.

The four "Galilean" moons of Jupiter are Europa, Io, Callisto, and Ganymede. A) True B) False Answer: ...

How long is Jupiter's orbital period in earth years?

How long is Jupiter's orbital period in earth years? A. 6.4 B. 11.9 C. 29.5 D. 84.0 E. 164.8 Answer: ...

Jupiter has an unusual motion, this is called ____?

Jupiter has an unusual motion, this is called ____? A. Very slow retrograde motion B. Resonance rotation C. Fast differential rotation D. Very fast...

The cloud layers of giant planets maintain different compositions because of?

The cloud layers of giant planets maintain different compositions because of? A. Different materials freeze out at different temperatures B. The winds...

How big is Jupiter's magnetosphere?

How big is Jupiter's magnetosphere? A. 40 million km across B. 20 million km across C. 50 million km across D. 30 million km across Answer:...

Jupiter has been probed by which of the following:

Jupiter has been probed by which of the following: A) Voyager I, Voyager II and Galileo B) All Pioneer probes C) New Horizons and Kepler D) Mariner...

All Galilean moons have tidal forces acting upon them. True or false?

All Galilean moons have tidal forces acting upon them.True or false? Answer: Tr...

One Jupiter day is equal to which of the following?

One Jupiter day is equal to which of the following? A.100 hrs 1 min B.50 hrs C.40 hrs D.9 hrs 50 mins Answer: ...

What type of core does Jupiter have?

What type of core does Jupiter have? A. Ice B. Gaseous C. Rocky D. Molten E. Liquid Answer: ...

How many Earths would it take to fill Jupiter?

How many Earths would it take to fill Jupiter? A. 1000-1200 B. 5 C. 5000-5500 D. 375 E. 100 Answer: ...

What are the strongest winds on Jupiter?

What are the strongest winds on Jupiter?  A. Westerly winds B. Easterly winds C. None since there is no gravity D. Equatorial westerlies E. Negative...

What causes the clouds of Jupiter to form bands around the planet?

What causes the clouds of Jupiter to form bands around the planet? A. Its Orbital Path B. Its Distance from the sun C. The planets rapid rotation D....

What is the primary element composing Jupiter?

What is the primary element composing Jupiter?  A. Methane B. Hydrogen C. Oxygen D. Carbon Answer: ...

Jupiter has 4 large moons, but how many does it have in total?

Jupiter has 4 large moons, but how many does it have in total? A. 5 B. 16 C. 49 D. 67 Answer: ...

_____ is the largest planet in our solar system.

_____ is the largest planet in our solar system.  A. Mercury B. Jupiter C. Earth D. Saturn Answer: ...

What is the name of Jupiter's moon that is also the largest in our Solar System?

What is the name of Jupiter's moon that is also the largest in our Solar System? A. Ganymede B. Galileo C. Ulysses D. Europa Answer: ...

What do currents in the interior of Jupiter produce?

What do currents in the interior of Jupiter produce? A. Cloud Layers B. Hurricanes C. Magnetic fields D. Heat Answer: ...

How many of Jupiter's moons did Galileo discover?

How many of Jupiter's moons did Galileo discover? A. 17 B. 4 C. 64 D. 0 Answer: ...

What is the large oval in Jupiter's southern hemisphere known as?

What is the large oval in Jupiter's southern hemisphere known as? A. It has no special name. B. There is no oval in Jupiter's southern hemisphere. C....

Which moon(s) does not belong to Mars?

Which moon(s) does not belong to Mars? A. Titan B. Phobos C. Deimos D. Rhea A. Titan Answer: ...

What rovers have been/are currently on Mars?

What rovers have been/are currently on Mars? A. Curiosity B. Spirit C. Opportunity D. A and B E. A, B and C Answer: ...

What kind of volcano is Mars's Olympus Mons?

What kind of volcano is Mars's Olympus Mons? A. Shield Volcano B. Cinder Cone Volcano C. Composite Volcano D. Dome Volcano Answer: ...

Earth has a magnetic axis which is angled __________ degrees from its rotational axis.

Earth has a magnetic axis which is angled __________ degrees from its rotational axis. Answer: 11.5; 23.5; 27.3; ...

How long does it take the moon to revolve once around the earth?

How long does it take the moon to revolve once around the earth? Answer: 24 hours; 29 days; 365 days; 29 hou...

What kind of eclipse occurs when the moon blocks sunlight from reaching Earth?

What kind of eclipse occurs when the moon blocks sunlight from reaching Earth? Answer: lunar; solar; new; fu...

Earth is closest to the sun during which season in the northern hemisphere?

Earth is closest to the sun during which season in the northern hemisphere? Answer: fall; winter; summer; spring ...

How long does it take the moon to rotate once?

How long does it take the moon to rotate once? Answer: 24 hours; 29 days;65 days; 29 hou...

Estimate the angular resolution of the human eye.

Estimate the angular resolution of the human eye. A) 0.5 degrees B) 1.0 degrees C) 1.5 degrees D) 2.0 degrees E) 0.004 degrees Answer: ...

Hydrostatic equilibrium in our Sun is the balance between:

Hydrostatic equilibrium in our Sun is the balance between: A) Convection and radiation B) Convection and gravitation C) Pressure and radiation D)...

By what mechanism does solar energy reach the Sun's photosphere from the layer just underneath it?

By what mechanism does solar energy reach the Sun's photosphere from the layer just underneath it? A) Differentiation B) ionization C) Radiation D)...

The body which wiped out the dinosaurs was about:

The body which wiped out the dinosaurs was about: A) As big as out Moon B) As big as one of Mars' moons C) A few hundred meters across D) As big...

Meteor shower debris is believed to come from:

Meteor shower debris is believed to come from: A) The asteroid belt when Mars deflects it toward us annually B) The core of a differentiated type...

Long period comets are thought to reside mainly in the:

Long period comets are thought to reside mainly in the: A) Asteroid belt B) Kirkwood gaps C) Kuiper belt D) Oort cloud E) Interstellar medium Answer:...

What are comets made of?

What are comets made of? A) Silicates and rocky dust B) Metallic dust particles C) Dark colored complex hydrocarbons D) Methane,ammonia, and water...

Why do researchers believe that asteroids in the asteroid belt are primal rocks that did not merge into a planet?

Why do researchers believe that asteroids in the asteroid belt are primal rocks that did not merge into a planet? A) The total mass of the asteroids...

Which of the following greatly improves the angular resolution of radio maps?

Which of the following greatly improves the angular resolution of radio maps? A) Schmidt corrector plates B) More sensitive spectrometers C) Switching...

The Arecibo radio telescope is laid out like which optical telescope design?

The Arecibo radio telescope is laid out like which optical telescope design? A) Prime focus reflector B) Newtonian reflector C) Cassegrain reflector D)...

Green light has a shorter wavelength than orange light. In a 5-inch telescope, green light will:

Green light has a shorter wavelength than orange light. In a 5-inch telescope, green light will: A) Provide better angular resolution than orange...

What are two advantages of large scopes over smaller ones?

What are two advantages of large scopes over smaller ones? A) Large scopes have a larger field of view and sharper focus B) Large scopes are not...

It is diffraction that limits the _________ of a telescope of a given objective diameter.

It is diffraction that limits the _________ of a telescope of a given objective diameter. A) Magnification B) Light grasp C) Resolution D) Aperture E)...

A telescope with a 60 mm objective lens collects how many times as much light as does your eye's 6 mm exit pupil?

A telescope with a 60 mm objective lens collects how many times as much light as does your eye's 6 mm exit pupil? A) 5 times B) 10 times C) 25 times D)...

If the rest of wavelength of a certain line is 600 nm, but we observe it at 594 nm, then:

If the rest of wavelength of a certain line is 600 nm, but we observe it at 594 nm, then: A) The source is approaching us at 1% of the speed of light B)...

The broadening of spectral lines can be caused by:

The broadening of spectral lines can be caused by: A) Density of the hot medium B) Thermal motion of the hot atoms C) Rotation of the star D) Magnetic...

Why are the molecular lines more complex than elemental spectral lines?

Why are the molecular lines more complex than elemental spectral lines? A) Molecules have two or more atoms B) Molecules can vibrate and rotate as...

The Balmer beta absorption line is a result of a transition of an electron in a hydrogen atom from:

The Balmer beta absorption line is a result of a transition of an electron in a hydrogen atom from: A) level 2 to level 3 B) level 2 to level 4 C)...

The Fraunhofer lines in the solar spectrum are actually:

The Fraunhofer lines in the solar spectrum are actually: A) Emission lines from hot gases in the chromosphere of the Sun B) Emission sections of the...

The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is:

The Orion Nebula, M-42, is a hot, thin cloud of glowing gas, so its spectrum is: A) A continuum, strongest in the color red B) A few bright lines...

Which of these is the classes continuous spectrum?

Which of these is the classes continuous spectrum? A) sunlight B) a rainbow C) a neon light D) a fluorescent light E) a glowing nebula, such as M-42 Answer:...

Typical stellar spectra appear as:

Typical stellar spectra appear as: A) A series of bright, colored lines B) An unbroken rainbow of colors C) A rainbow, but with some dark lines mixed...

How much better resolution would a 60 mm objective lens have than your eye's 6 mm exit pupil?

How much better resolution would a 60 mm objective lens have than your eye's 6 mm exit pupil? A) 6 X B) 10 X C) 16 X D) 60 X E) 100 X Answer:...

How would sunspots appear if you could magically remove them from the Sun?

How would sunspots appear if you could magically remove them from the Sun? A) They would appear blue-white, like Sirius but brighter B) Because sunspots...

What two energy transport mechanisms, in order from outside the core to the surface, are found in the Sun?

What two energy transport mechanisms, in order from outside the core to the surface, are found in the Sun? A) Convection, conduction B) Radiative...

What natural barrier tries to prevent two protons from combining in the Sun?

What natural barrier tries to prevent two protons from combining in the Sun? A) Dark energy B) Antigravity C) Electromagnetic repulsion D) The weak...

The nucleus of a comet has a typical size of

The nucleus of a comet has a typical size of A) A few meters B) A few kilometers C) A few hundred kilometers D) A few centimeters Answer:...

Large asteroids are thought to collide with Earth

Large asteroids are thought to collide with Earth A) A few times in every million-year period B) About once a century C) Once every billion years D)...

Recently, some engineers and scientists have proposed building spaceships with enormous sails that catch the solar wind and use it to move the ship. What kinds of particles would be hitting this sail to enable the propulsion?

Recently, some engineers and scientists have proposed building spaceships with enormous sails that catch the solar wind and use it to move the ship....

Astronomers first detected the presence of the solar wind by

Astronomers first detected the presence of the solar wind by A) Sending a spacecraft much closer to the Sun than the planet Mercury B) Noting its...

Which part of the Sun's atmosphere has the lowest density?

Which part of the Sun's atmosphere has the lowest density? A) Corona B) Transition region C) Chromosphere D) Photosphere E) All these regions have...

The Sun's chromosphere contains many jet-like projections that stick up into the transition region. These spikes of gas are called

The Sun's chromosphere contains many jet-like projections that stick up into the transition region. These spikes of gas are called A) Coronae B)...

Astronomers estimate that there may be a trill comet nuclei orbiting beyond Pluto. Why then do we not see more comets in our skies?

Astronomers estimate that there may be a trill comet nuclei orbiting beyond Pluto. Why then do we not see more comets in our skies? A) Most comets...

Comets get significantly brighter in our skies as they approach the Sun because

Comets get significantly brighter in our skies as they approach the Sun because A) The reflect more sunlight as they get closer to the source of...

Which part of a comet is the densest?

Which part of a comet is the densest? A) The nucleus B) The coma C) The dust tail D) The ion tail E) The hydrogen cloud Answer: ...

Several hundred asteroids have been found in the same orbit around the Sun as the planet Jupiter, in two stable areas ahead of and behind Jupiter. These asteroid groups are called

Several hundred asteroids have been found in the same orbit around the Sun as the planet Jupiter, in two stable areas ahead of and behind Jupiter. These...

What is our best guess about why we have an asteroid belt and not a planet between Mars and Jupiter?

What is our best guess about why we have an asteroid belt and not a planet between Mars and Jupiter? A) A planet exploded an broke apart B) Io's...

A main difference between asteroids and comets is that asteroids are mostly made of rock and comets are mostly made of

A main difference between asteroids and comets is that asteroids are mostly made of rock and comets are mostly made of  A) Metals B) Carbon...

What problem is adaptive optics designed to correct?

What problem is adaptive optics designed to correct? A) The opacity of the Earth's atmosphere B) Defects in the optical figuring, such as with the...

The orbits of most asteroids:

The orbits of most asteroids: A) Lie beyond Neptune B) Lie entirely beyond the orbit of Mars C) Cross the orbit of Mars D) Cross the orbit of Earth E)...

If light traveled at the same speed in glass as in air, would the glass lens in a refracting telescope still alter the direction of light rays to the focal point of the telescope?

If light traveled at the same speed in glass as in air, would the glass lens in a refracting telescope still alter the direction of light rays to the...

This type of telescope has a mirror with a hole in the middle. The focus is behind the back of the mirror.

This type of telescope has a mirror with a hole in the middle. The focus is behind the back of the mirror. A) Newtonian B) Prime focus C) Coude D)...

The Hubble Space Telescope can achieve a (diffraction-limited) angular resolution of 0.05" for red light (wavelength=7000 A). What would its resolution be in the ultraviolet (at 3500 A)?

The Hubble Space Telescope can achieve a (diffraction-limited) angular resolution of 0.05" for red light (wavelength=7000 A). What would its resolution...

The fact that iron absorption lines occur in the spectrum of the sun indicates that there is iron in the solar

The fact that iron absorption lines occur in the spectrum of the sun indicates that there is iron in the solar A) Atmosphere B) Surface C) Interior Answer:...

A 2-m telescope can collect a given amount of light in 1 hour. Under the same observing conditions, how much time would be required for a 6-m telescope to perform the same task?

A 2-m telescope can collect a given amount of light in 1 hour. Under the same observing conditions, how much time would be required for a 6-m telescope...

If astronomers lived on Venus instead of on Earth, the solar constant they measure would be

If astronomers lived on Venus instead of on Earth, the solar constant they measure would be  A) Larger B) Smaller C) The same Answer:...

A typical comet has a composition most similar to that of

A typical comet has a composition most similar to that of A) The moon B) Pluto C) A meteorite D) An asteroid Answer: ...

Suppose you are experimenting with the spectrum produced by heated neon gas. If you double the quantity of neon and examine the resulting spectral lines, what would you expect to have changed?

Suppose you are experimenting with the spectrum produced by heated neon gas. If you double the quantity of neon and examine the resulting spectral lines,...

Which of these moons belong to Mars?

Which of these moons belong to Mars? A. Europa B. Phobos C. Logos D. Titan Answer: ...

What color are Mars' sunsets?

What color are Mars' sunsets? A. Blue B. Red C. Black D. White Answer: ...

In the blockbuster film The Martian, which of the following would not have posed a threat to Mat Damon, had the film been scientifically accurate?

In the blockbuster film The Martian, which of the following would not have posed a threat to Mat Damon, had the film been scientifically accurate?  A....

The Valles Marineris is

The Valles Marineris is A. 4 times as deep as the Grand Canyon. B. 4,000 km long C. 6 times as deep as the Grand Canyon. D. both A&B Answer:...

How many days does it take for Mars to orbit the Sun?

How many days does it take for Mars to orbit the Sun? A. 365 days B. 500 days C. 267 days D. 687 days Answer: ...

The large daily, seasonal and latitudinal surface temperature differences on Mars often create locally strong what?

The large daily, seasonal and latitudinal surface temperature differences on Mars often create locally strong what? A. Tornadoes B. Earthquakes C....

The atmosphere of Mars is composed almost entirely of _

The atmosphere of Mars is composed almost entirely of _ A. Poisonous gases B. Monoxide C. Carbon Dioxide D. Oxygen E. Nitrogen Answer: ...

What is the mass of Mars?

What is the mass of Mars? A. .27 Earth Masses B. .11 Earth Masses C. .53 Earth Masses D. 1 Earth Mass Answer: ...

The maximum temperature on Mars is ______.

The maximum temperature on Mars is ______. A. 100 degrees F B. 60 degrees F C. 70 degrees F D. 170 degrees F Answer: ...

How many moons does Mars have?

How many moons does Mars have? A. 1 B. 2 C. 3 D. none of the above Answer: ...

What feature(s) of Mars are most similar to Earth's?

What feature(s) of Mars are most similar to Earth's?  A. Its mass B. Its small cool core C Its motion and tilt D. Its density and volume Answer:...

Which of these planets is volcanically active today or has been volcanically active in their geological past?

Which of these planets is volcanically active today or has been volcanically active in their geological past? A. Earth B. Venus C. Mars D. All of...

What causes the atmosphere of Mars to be more responsive to heating and cooling than Earth's atmosphere?

What causes the atmosphere of Mars to be more responsive to heating and cooling than Earth's atmosphere? A. A lower density B. A higher density C....

Which of the following is correct about Mars?

Which of the following is correct about Mars? A. Mars is the "sister planet" of Earth. B. Mars has similar seasons to Earth. C. Windblown caused a...

What temperature does it typically drop at night on mars?

What temperature does it typically drop at night on mars? A. -100°C B. -69°C C. 0°C D. -150°C Answer: ...

Mars' surface is red, because _________.

Mars' surface is red, because _________. A. The planet's surface temperature is over 300 Kelvin B. its iron-bearing surface minerals are oxidizing C....

The tallest mountain in the solar system is on _____.

The tallest mountain in the solar system is on _____. A. Earth B. Mars C. Venus D. Saturn Answer: ...

True/False: There is wind on the moon.

True/False: There is wind on the moon. Answer: Fal...

A day on the moon is about how many Earth days?

A day on the moon is about how many Earth days? A. 19 B. 29 C. 31 D. 58 Answer: ...

The moon's crust is:

The moon's crust is: A. The same thickness all around B. Half and half thickness C. Thicker on far side and thinner on earth side D. Too hard to...

The moon's core has a similar composition to which one of Earth's layers?

The moon's core has a similar composition to which one of Earth's layers? A. Mantle B. Inner Core C. Crust D. Outer Core Answer: ...

The moon has no _____

The moon has no _____ A. atmosphere B. craters C. mirrors on the surface D. gravity Answer: A ...

True or false: the moon's core is composed of material similar to Venus.

True or false: the moon's core is composed of material similar to Venus. Answer: Fal...

The Radius of the Moon is

The Radius of the Moon is  A. .3 Earths B. .2 Earths C. .25 Earths D. .27 Earths Answer: ...

When was the moon formed?

When was the moon formed? A. 2 million years ago B. 4 million years ago C. 5 billion years ago D. 4.5 billion years ago Answer: ...

Compared to earthquakes, 'moonquakes',

Compared to earthquakes, 'moonquakes', A. Are million times weaker B. Have the same intensity C. Are stronger than earthquakes Answer: ...

The surface gravity of the moon is about ____ the surface gravity of Earth's.

The surface gravity of the moon is about ____ the surface gravity of Earth's. A. 1/6th B. 1/3rd C. 1/4th D. ½ Answer: ...

A name for trench like areas on the moon's surface

A name for trench like areas on the moon's surface A. craters B. spots C. rills D. divides Answer: ...

How fast does the moon travel around the Earth?

How fast does the moon travel around the Earth? A. 3,700 kilometers per hour B. 2,500 kilometers per hour C. 5,630 kilometers per hour D. 3,500 kilometers...

What is the most noticeable stretching of the mass of the earth due to the gravitational pull by the moon?

What is the most noticeable stretching of the mass of the earth due to the gravitational pull by the moon? A. magnetic field B. tides in the ocean C....

What percentage of the Moon is visible from Earth?

What percentage of the Moon is visible from Earth?  A. 1% B. 2% C. 59% D. 100% Answer: ...

Which is not a type of rock found on the moon?

Which is not a type of rock found on the moon? A. Basalts B. Anorthosites C. Breccia D. Granite E. Regolith Answer: ...

Who were the first two men on the Moon?

Who were the first two men on the Moon? A. Lance Armstrong and Buzz Aldrin B. Neil Armstrong and Buzz Aldrin C. Michael Collins and Neil Armstrong D....

How far is the moon from the Earth?

How far is the moon from the Earth? A. 5,000,000 Miles B. 250,000 Miles C. 20 Miles D. 432,900 Miles E. All of the above Answer: ...

Which of the following is not a prominent feature of the moon?

Which of the following is not a prominent feature of the moon? A. Maria B. volcanoes C. highlands D. craters Answer: ...

How long does it take the moon to orbit Earth?

How long does it take the moon to orbit Earth? A. 24hrs B. 27.3 days C. 48hrs D. 60 days Answer: ...

What kind of rotation does the moon have?

What kind of rotation does the moon have? A. Resonance Rotation B. Synchronous Rotation C. Fast Differential Rotation D. Normal Rotation Answer:...

What name is given when the Earth is furthest from the sun?

What name is given when the Earth is furthest from the sun? A. Aphelion B. Zenith C. Winter Solstice D. Ecliptic Answer: ...

What determines the Earth's tidal changes?

What determines the Earth's tidal changes?  A. magnetic field B. tectonic plates C. Gravitational pull of the moon D. Rotation of the Earth Answer:...

How do scientists know the composition of Earth's interior?

How do scientists know the composition of Earth's interior? A. X-rays B. CAT-scans C. seismic waves D. by extracting samples from the Earth's core Answer:...

True/False: Earth's core has a similar temperature to the sun.

True/False: Earth's core has a similar temperature to the sun. Answer: Tr...

What is the energy source of the Earth?

What is the energy source of the Earth? A. the sun B. radioactivity and heat left over from formation C. rotation D. centripetal motion Answer:...

The largest differences between the climate of Earth, Venus and Mars is caused by?

The largest differences between the climate of Earth, Venus and Mars is caused by? A. Relative distances to the Sun B. Thickness of the Atmosphere C....

Which of these happened first in the formation of the Earth's atmosphere?

Which of these happened first in the formation of the Earth's atmosphere? A. Volcanoes and asteroids increase Earth's volatile matter. B. Oxygen enables...

When charged particles in the ionosphere collide with atoms such as oxygen, nitrogen, and hydrogen we get?

When charged particles in the ionosphere collide with atoms such as oxygen, nitrogen, and hydrogen we get? A) Explosions B) Clouds C) Rainbows D)...

What is responsible for the forces that drag Earth's plates apart in some locations and ram them together in others?

What is responsible for the forces that drag Earth's plates apart in some locations and ram them together in others?  A. Continental Drift B....

Earth's ocean basins are composed predominantly of which rock:

Earth's ocean basins are composed predominantly of which rock: A) Marble B) Shale C) Basalt D) Granite Answer: ...

What percentage of the Earth's surface is land?

What percentage of the Earth's surface is land? A) 43% B) 60% C) 29% D) 20% Answer: ...

What geological activity is responsible for the Himalayas?

What geological activity is responsible for the Himalayas?  A. Convergence of two continental plates B. Hot Spots C. Subduction of an oceanic...

What is the geological activity that is responsible for Hawaii?

What is the geological activity that is responsible for Hawaii? A. Convergence of two continental plates. B. Subduction of an oceanic plate under...

Earth's interior is not uniform. The materials have been separated by density in a process called.

Earth's interior is not uniform. The materials have been separated by density in a process called. a) Plate Tectonics b) Volcanism c) Differentiation d)...

The ozone layer absorbs _______, while greenhouse gases retain _______.

The ozone layer absorbs _______, while greenhouse gases retain _______. A. oxygen, carbon B. IR radiation, UV radiation C. carbon, oxygen D. UV radiation,...

Weather and clouds occur within ___________ km of the earth's surface.

Weather and clouds occur within ___________ km of the earth's surface. A. 20 B. 10 C. 100 D. 18 Answer: ...

What are the layers of the earth in order from the innermost layer to the outermost layer?

What are the layers of the earth in order from the innermost layer to the outermost layer? A. Inner core, outer core, crust, mantle B. Inner core,...

Which element primarily makes up Earth's atmosphere?

Which element primarily makes up Earth's atmosphere? A. Carbon Dioxide B. Oxygen C. Argon D. Nitrogen Answer: ...

What is the name of the geological process that explains the movement of oceanic and continental plates, causing Earthquakes?

What is the name of the geological process that explains the movement of oceanic and continental plates, causing Earthquakes? A. Pangaea B. Divergent/Converging...

Why is planet density so important?

Why is planet density so important? A. Because it tells us the mass B. Because it tell us the composition C. Because it tell us the size of the planet D....

Which spacecraft has visited Venus?

Which spacecraft has visited Venus?  A. Voyager 1 B. Voyager 2 C. Venera 7 D. Sputnik Answer: ...

Venus has very unique clouds. What makes the clouds unique?

Venus has very unique clouds. What makes the clouds unique?  A. They are all shaped like unicorns B. They are all purple C. The clouds are comprised...

What is Venus also called?

What is Venus also called?  A. Evening Star B. Morning Star C. Both Morning and Evening star Answer: ...

Which of these is a scientific plan to make Venus habitable?

Which of these is a scientific plan to make Venus habitable? A. Find spacesuits that can withstand the atmospheric pressure of Venus B. Make friends...

The thick blanket of ____ traps the infrared radiation from Venus.

The thick blanket of ____ traps the infrared radiation from Venus. A. Nitrogen B. Carbon Dioxide C. Oxygen D. None of the above Answer: ...

What are the circular fractures on Venus' surface known as?

What are the circular fractures on Venus' surface known as? A. Canyons B. Coronae C. Craters D. Holes Answer: ...

The most common volcanoes on Venus are known as shield volcanoes.

The most common volcanoes on Venus are known as shield volcanoes. A. True B. False Answer: ...

What is the atmosphere of Venus largely made up of?

What is the atmosphere of Venus largely made up of? A) Nitrogen B) Oxygen C) Carbon Dioxide D) An even mix of Nitrogen and Oxygen Answer:...

Venus has:

Venus has: A. A large hot iron rich core interior B. Very fast retrograde rotation C. A large mountain called Maxwell Montes D. A and C are correct Answer:...

What planet do we expect we could terraform, or alter the environment of in order to support terrestrial life forms, with blue-green algae?

What planet do we expect we could terraform, or alter the environment of in order to support terrestrial life forms, with blue-green algae? A. Mercury B....

The final changes in the rotations of axis planets generally thought to be caused by?

The final changes in the rotations of axis planets generally thought to be caused by? A. Related to the sizes of the local mountains. B. Related...

What are the clouds on Venus mostly made up of?

What are the clouds on Venus mostly made up of? A) Hydrogen B) Carbon C) Sulfuric Acid D) Water Vapor Answer: ...

Venus does not have any moons.

Venus does not have any moons.  A) True B) False Answer: ...

What is Venus's atmospheric pressure compared to the earth's?

What is Venus's atmospheric pressure compared to the earth's? A. 1x the pressure B. 25x the pressure C. 50x the pressure D. 90x the pressure E. 100x...

Venus is the planet closest to earth in size.

Venus is the planet closest to earth in size. A. True B. False Answer: ...

Venus has

Venus has A. the longest rotation period of any planet in the Solar System B. 12 moons C. evidence of life D. Second longest distance from the sun Answer:...

Which gas makes up the largest portion of Venus' atmosphere?

Which gas makes up the largest portion of Venus' atmosphere? A. Nitrogen B. Oxygen C. Methane D. Carbon Dioxide Answer: ...

Which of the following are true about Venus

Which of the following are true about Venus A) The temperature does not drop at night B) The temperature changes around the poles C) There is little...

What is the name of Venus' largest mountain?

What is the name of Venus' largest mountain?  A. Maxwell Montes B. Aphrodite Terra C. Isthar Terra D. Shield Volcano Answer: ...

Venus has a very unusual type of motion. What is this motion called?

Venus has a very unusual type of motion. What is this motion called?  A. very fast retrograde rotation B. very fast revolution C. very slow retrograde...

What is the name of the large crater on Mercury?

What is the name of the large crater on Mercury? A. Espanos Basin B. Grandious Basin C. Caloris Basin D. Grand Canyon Answer: ...

Mercury is what kind of planet?

Mercury is what kind of planet? A. terrestrial planet B. giant planet C. dwarf planet D. extrasolar planet Answer: ...

Which major moon in our solar system is larger than Mercury?

Which major moon in our solar system is larger than Mercury? A. Callisto B. Titania C. Triton D. Titan E. Pluto Answer: ...

Which probe was the first to visit Mercury?

Which probe was the first to visit Mercury? A. Pioneer 10 B. Mariner 10 C. Ulysses D. Voyager 2 E. Galileo Answer: ...

Mercury has a weak magnetic field.

Mercury has a weak magnetic field. A. True B. False Answer: ...

What causes the formation of scarps on Mercury?

What causes the formation of scarps on Mercury? A. Plates shifting B. Erosion from water C. The cooling and contracting of the planet D. Impact from...

What are the cliffs on Mercury called?

What are the cliffs on Mercury called? A. Ridges B. Mountains C. Scarps D. Peaks Answer: ...

Mercury has an unusual motion called "resonance rotation" where every ____ times it orbits the sun, it rotates on its axis ____ times, taking 176 earth days to complete one noon to noon cycle.

Mercury has an unusual motion called "resonance rotation" where every ____ times it orbits the sun, it rotates on its axis ____ times, taking 176 earth...

How many Earth days does it take to go from noon to noon on Mercury?

How many Earth days does it take to go from noon to noon on Mercury?  A. 88 Earth days B. 176 Earth days C. 264 Earth days D. 100 Earth days Answer:...

How many moons does Mercury have?

How many moons does Mercury have? A. Four B. Seventeen C. None D. Two Answer: ...

Which planet is also geologically dominated by impact craters as The Moon?

Which planet is also geologically dominated by impact craters as The Moon? A. Mercury B. Venus C. Mars D. Earth E. Jupiter Answer: ...

Why does Mercury have no atmosphere?

Why does Mercury have no atmosphere? A. High surface temperature and low mass B. Low surface temperature and low mass C. High surface temperature...

Why is Mercury incapable of supporting life?

Why is Mercury incapable of supporting life? A. It's too hot/dry during the day B. It rains sulfuric acid C. It's too cold during the night. D. Only...

How could Mercury's interior be defined as?

How could Mercury's interior be defined as? A. Large hot iron rich core B. Rocky core C. Cool, iron-rich core D. Very similar to Jupiter's Answer:...

What is the uniqueness of Mercury's rotation?

What is the uniqueness of Mercury's rotation? A. very slow retrograde rotation B. resonance rotation C. period of day is 24.6 hrs (similar to Earth) D....

Mercury's average surface temperature is:

Mercury's average surface temperature is: A. 510 K B. 350 K C. 440 K D. 475 K E. 395 K Answer: ...

How long does it take Mercury to orbit the Sun?

How long does it take Mercury to orbit the Sun? A. 88 days B. 118 days C. 98 days D. 365 days Answer: ...

What is the large impact crater on Mercury?

What is the large impact crater on Mercury? A. Caloris Basin B. Mosu Crater C. Aphrodite Terra D. Charon Answer: ...

What is the length of Mercury's solar day?

What is the length of Mercury's solar day? A. 50 Mercury year's long B. 1 Mercury year long C. 2 Mercury years long D. 5 Mercury years long Answer:...

When did humans learn that the Earth is not the center of the universe?

When did humans learn that the Earth is not the center of the universe?  A) within the past 500 years B) about 2,500 years ago C) about 1,000...

Which statement about motion in the universe is not true?

Which statement about motion in the universe is not true?  A) The mysterious dark matter is the fastest-moving material in the universe. B) Some...

Astronomers infer that the universe is expanding because distant galaxies all appear to

Astronomers infer that the universe is expanding because distant galaxies all appear to A) be growing in size. B) be moving away from us, with more...

Why do the patterns of the stars in our sky look the same from year to year?

Why do the patterns of the stars in our sky look the same from year to year?  A) because the stars in the constellations are so far away B)...

How do the speeds at which we are moving with Earth's rotation and orbit compare to the speeds of more familiar objects?

How do the speeds at which we are moving with Earth's rotation and orbit compare to the speeds of more familiar objects?  A) Earth's rotation...

Relative to the age of the universe, how old is our solar system?

Relative to the age of the universe, how old is our solar system?  A) It is about 1% as old as the universe. B) It is between about 5% and 10%...

If we imagine the history of the universe compressed into one year, dinosaurs became extinct

If we imagine the history of the universe compressed into one year, dinosaurs became extinct A) about 6 months ago. B) about 3 weeks ago. C) yesterday...

Where is our solar system located within the Milky Way Galaxy?

Where is our solar system located within the Milky Way Galaxy?  A) very near the center of the galaxy B) at the far edge of the galaxy's visible...

The total number of stars in the observable universe is about

The total number of stars in the observable universe is about  A) 100 billion. B) the same as the number of grains of sand in a school sandbox. C)...

If you could count stars at a rate of about one per second, how long would it take to count all the stars in the Milky Way Galaxy?

If you could count stars at a rate of about one per second, how long would it take to count all the stars in the Milky Way Galaxy?  A) several...

Suppose we make a scale model of our solar system, with the Sun the size of a grapefruit. Which of the following best describes what the planets would look like?

Suppose we make a scale model of our solar system, with the Sun the size of a grapefruit. Which of the following best describes what the planets would...

Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case,

Suppose we look at two distant galaxies: Galaxy 1 is twice as far away as Galaxy 2. In this case, A) Galaxy 1 must be twice as big as Galaxy 2. B)...

When we look at an object that is 1,000 light-years away we see it

When we look at an object that is 1,000 light-years away we see it A) as it was 1,000 years ago. B) as it was 1,000 light-years ago. C) as it is right...

How are galaxies important to our existence?

How are galaxies important to our existence?  A) Without galaxies, there could not have been a Big Bang. B) Without galaxies, the universe could...

Using the ideas discussed in your textbook, in what sense are we "star stuff"?

Using the ideas discussed in your textbook, in what sense are we "star stuff"?  A) The overall chemical composition of our bodies is about the...

Which of the following has your "cosmic address" in the correct order?

Which of the following has your "cosmic address" in the correct order?  A) You, Earth, solar system, Local Group, Local Supercluster, Milky...

How long does it take the Earth to complete one orbit around the Sun?

How long does it take the Earth to complete one orbit around the Sun?  A) one year B) one day C) one month D) one week E) The time it takes Earth...

What is the ecliptic plane?

What is the ecliptic plane?  A) the plane of Earth's orbit around the Sun B) the plane of Earth's equator C) the plane of the Sun's equator D)...

An astronomical unit (AU) is

An astronomical unit (AU) is A) any very large unit, such as a light-year. B) the average distance between Earth and the Sun. C) the current distance...

The number of stars in the Milky Way Galaxy is approximately

The number of stars in the Milky Way Galaxy is approximately A) a few hundred. B) a few hundred thousand. C) a few hundred billion. D) a few hundred...

On a scale where the Sun is about the size of a grapefruit and the Earth is about 15 meters away, how far away are the nearest stars besides the Sun?

On a scale where the Sun is about the size of a grapefruit and the Earth is about 15 meters away, how far away are the nearest stars besides the Sun?  A)...

On a scale in which the distance from Earth to the Sun is about 15 meters, the distance from Earth to the Moon is

On a scale in which the distance from Earth to the Sun is about 15 meters, the distance from Earth to the Moon is A) small enough to fit within your...

The term observable universe refers to

The term observable universe refers to A) that portion of the universe that we have so far photographed through telescopes. B) the portion of the universe...

A television advertisement claiming that a product is light-years ahead of its time does not make sense because

A television advertisement claiming that a product is light-years ahead of its time does not make sense because  A) it doesn't specify the number...

Based on observations of the universal expansion, the age of the universe is about

Based on observations of the universal expansion, the age of the universe is about A) 14,000 years. B) 14 million years. C) 14 billion years. D) 14...

What do we mean when we say that the universe is expanding?

What do we mean when we say that the universe is expanding?  A) Everything in the universe is gradually growing in size. B) Within galaxies,...

What do astronomers mean by the Big Bang?

What do astronomers mean by the Big Bang?  A) the event that marked the beginning of the expansion of the universe B) a gigantic explosion that...

Which of the following best describes what we mean by the universe?

Which of the following best describes what we mean by the universe? A) the sum total of all matter and energy B) a vast collection of stars that number...

A typical galaxy is a

A typical galaxy is a A) collection of a few hundred million to a trillion or more stars, bound together by gravity. B) large, glowing ball of gas...

Our solar system consists of

Our solar system consists of  A) the Sun and all the objects that orbit it. B) the Sun and the planets, and nothing else. C) a few hundred billion...

Which of the following is not a general difference between a planet and a star?

Which of the following is not a general difference between a planet and a star? A) Planets are smaller than stars. B) Planets are dimmer than stars. C)...

Which scientists played a major role in overturning the ancient idea of an Earth-centered universe, and about when?

Which scientists played a major role in overturning the ancient idea of an Earth-centered universe, and about when?  A) Copernicus, Kepler,...

Imagine that we put a raisin cake into the oven, with each raisin separated from the others by 1 cm. An hour later, we take it out and the distances between raisins are 3 cm. If you lived in one of the raisins and watched the other raisins as the cake expanded, which of the following would you conclude?

Imagine that we put a raisin cake into the oven, with each raisin separated from the others by 1 cm. An hour later, we take it out and the distances...

By studying distant galaxies in the 1920s, Hubble made which of the following important discoveries that led us to conclude that the universe is expanding?

By studying distant galaxies in the 1920s, Hubble made which of the following important discoveries that led us to conclude that the universe is expanding? A)...

From the fact that virtually every galaxy is moving away from us and more distant galaxies are moving away from us at a faster rate than closer ones, we conclude that

From the fact that virtually every galaxy is moving away from us and more distant galaxies are moving away from us at a faster rate than closer ones,...

The distribution of the mass of the Milky Way Galaxy is determined by

The distribution of the mass of the Milky Way Galaxy is determined by  A) counting the number of stars. B) determining the amount of gas and...

Most of the mass in the Milky Way Galaxy is located

Most of the mass in the Milky Way Galaxy is located  A) in the halo (above/below the disk). B) within the disk. C) in the stars in the spiral...

Which of the following statements about the Milky Way Galaxy is not true?

Which of the following statements about the Milky Way Galaxy is not true? A) It contains between 100 billion and 1 trillion stars. B) Our solar...

How long does it take our solar system to complete one orbit around the Milky Way Galaxy?

How long does it take our solar system to complete one orbit around the Milky Way Galaxy? A) 10 thousand years B) 230 thousand years C) 1 million...

Patterns of stars in constellations hardly change in appearance over times of even a few thousand years. Why?

Patterns of stars in constellations hardly change in appearance over times of even a few thousand years. Why?  A) Stars are fixed and never...

Which of the following statements about the ecliptic plane is not true?

Which of the following statements about the ecliptic plane is not true? A) It is the plane of Earth's orbit around the Sun. B) It is the plane of...

What is an astronomical unit?

What is an astronomical unit?  A) the average speed of Earth around the Sun B) the length of time it takes Earth to revolve around the Sun C)...

Approximately how fast are you moving with the rotation of Earth?

Approximately how fast are you moving with the rotation of Earth?  A) 13,000 km/hr B) 1,300 km/hr C) 130 km/hr D) 13 km/hr E) not moving at all Answer:...

On a cosmic calendar, in which the history of the universe is compressed into one year, how long is the average human life span?

On a cosmic calendar, in which the history of the universe is compressed into one year, how long is the average human lifespan? A) 0.2 millisecond B)...

On a cosmic calendar, in which the history of the universe is compressed into 1 year, when did Kepler and Galileo first discover that we live on a planet in a solar system?

On a cosmic calendar, in which the history of the universe is compressed into 1 year, when did Kepler and Galileo first discover that we live on a planet...

On a cosmic calendar, in which the history of the universe is compressed into 1 year, when did the dinosaurs become extinct?

On a cosmic calendar, in which the history of the universe is compressed into 1 year, when did the dinosaurs become extinct? A) in late December B)...

On the scale of the cosmic calendar, in which the history of the universe is compressed to 1 year, how long has human civilization (i.e., since ancient Egypt) existed?

On the scale of the cosmic calendar, in which the history of the universe is compressed to 1 year, how long has human civilization (i.e., since ancient...

If you represented each star by a grain of sand, how much sand would it take to represent all the stars in the universe?

If you represented each star by a grain of sand, how much sand would it take to represent all the stars in the universe?  A) all the sand in...

How many galaxies are there in the observable universe?

How many galaxies are there in the observable universe?  A) roughly (within a factor of 10) the same as the number of stars in our galaxy B)...

How long would it take to count all the stars in the Milky Way Galaxy at a rate of one star per second?

How long would it take to count all the stars in the Milky Way Galaxy at a rate of one star per second?  A) several days B) several weeks C)...

Which of the following best describes the Milky Way Galaxy?

Which of the following best describes the Milky Way Galaxy?  A) a spiral galaxy with a disk about 100,000 light-years in diameter and containing...

If we use 1 millimeter to represent 1 light-year, how large in diameter is the Milky Way Galaxy?

If we use 1 millimeter to represent 1 light-year, how large in diameter is the Milky Way Galaxy?  A) 100 millimeters B) 100 meters C) 1 kilometer D)...

Suppose we imagine the Sun to be about the size of a grapefruit. How far away are the nearest stars (the three stars of Alpha Centauri)?

Suppose we imagine the Sun to be about the size of a grapefruit. How far away are the nearest stars (the three stars of Alpha Centauri)?  A)...

On the 1-to-10-billion scale, about how far is it to the nearest stars besides the Sun?

On the 1-to-10-billion scale, about how far is it to the nearest stars besides the Sun?  A) 4 kilometers B) 400 kilometers C) 1,000 kilometers D)...

Which of the following is largest?

Which of the following is largest?  A) size of a typical galaxy B) size of Pluto's orbit C) distance to the nearest star (other than our Sun) D)...