An asteroid could produce an iron core and a silicate mantle if it

An asteroid could produce an iron core and a silicate mantle if it

A. Differentiated
B. Outgassed
C. Condensed
D. Accreted


Answer: A. Differentiated

Which of these moons is an icy moon?

Which of these moons is an icy moon?

A. our moon
B. Europa
C. Phobos
D. Demos



Answer: B. Europa

Which of the following is a method astronomers use to find extrasolar planets?

Which of the following is a method astronomers use to find extrasolar planets?

A. Radial Velocity Method
B. Transit Method
C. Gravitational Lensing
D. Direct Imaging
E. All of the above



Answer: E. All of the above

What are a comet's nucleus and inner part of the coma collectively referred to as?

What are a comet's nucleus and inner part of the coma collectively referred to as?

A. the comet's brain
B. the comet's tail
C. the comet's coma
D. the comet's head



Answer: D. the comet's head

Which of the following is not a type of exoplanet?

Which of the following is not a type of exoplanet?

A. Super-Earths
B. Gas Dwarfs
C. Mini-Jupiters
D. Rocky Giants


Answer: C. Mini-Jupiters

Every ______ years Halley's Comet is visible to people on Earth with the naked eye.

Every ______ years Halley's Comet is visible to people on Earth with the naked eye.

A. 75-76
B. 82-83
C. 72
D. 57



Answer: A. 75-76

What was the name of the first asteroid discovered?

What was the name of the first asteroid discovered?

A. Ceres
B. Europa
C. Callisto
D. Trojan


Answer: A. Ceres

Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

Planetesimals known as _________ are composed of primitive material that astronomers believe is essentially unmodified since the origin of the Solar System almost 4.6 billion years ago.

A. C-type asteroids
B. S-type asteroids
C. M-type asteroids
D. G-type asteroids



Answer: A. C-type asteroids

If an asteroid is not spherical, what does that tell you?

If an asteroid is not spherical, what does that tell you?

A. It is made of iron
B. Its mass is low
C. It is an M-type
D. It is very young



Answer: B. Its mass is low

What type of exoplanet has a very large diameter, but a very low density?

What type of exoplanet has a very large diameter, but a very low density?

A. Comets
B. "Puffy" planets
C. Ice planets
D. Gaseous planets
E. Asteroids



Answer: B. "Puffy" planets

Approximately how large must a meteoroid be in order to survive passage through the atmosphere and reach the ground as a meteorite?

Approximately how large must a meteoroid be in order to survive passage through the atmosphere and reach the ground as a meteorite?

A. as big as the size of a car
B. as big as a penny
C. as big as a fist
D. as big as a house



Answer: C. as big as a fist

When does a comet have the longest tail and largest coma?

When does a comet have the longest tail and largest coma?

A. when it is nearest the sun
B. when it is moving most slowly
C. when it crosses the ecliptic
D. When it is 1 AU from the sun



Answer: A. when it is nearest the sun

What is an Oort cloud?

What is an Oort cloud?

A. a cluster of asteroids
B. a swarm of comets far from the sun
C. the cloud a meteor produces in the atmosphere
D. the same as a coma of a comet



Answer: B. a swarm of comets far from the sun

True/False: Asteroids can have small companion moons and are known as asteroid-moon systems.

True/False: Asteroids can have small companion moons and are known as asteroid-moon systems.

A. True
B. False



Answer: A. True

Which best describes a comet?

Which best describes a comet?

A. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of gas and dust particles pointing away from the sun appear
B. rocky objects that size is not dominated by gravity
C. close to the sun, closely spaced orbits, small masses
D. far from sun, widely spaced orbits, large masses



Answer: A. a celestial object consisting of a nucleus of ice and dust and, when near the sun, a "tail" of gas and dust particles pointing away from the sun appear

What is the density of Ice Objects?

What is the density of Ice Objects?

A. >5000 kg/m3
B. 2000 kg/m3
C. 1500 or less kg/m3
D. 3000-4000 kg/m3



Answer: B. 2000 kg/m3

Which of the following is NOT a type of exoplanet?

Which of the following is NOT a type of exoplanet?

A. Lava
B. Purple
C. Ice
D. Mega Earth



Answer: B. Purple

What is the age of the oldest confirmed Exoplanet?

What is the age of the oldest confirmed Exoplanet?

A. 10 Million Years
B. 15 Million Years
C. 2 Billion Years
D. 6 Billion Years
E. 13 Billion Years


Answer: E. 13 Billion Years

Between which two planets in our solar system does the main asteroid belt lie?

Between which two planets in our solar system does the main asteroid belt lie?

A. Earth and Mars
B. Mars and Jupiter
C. Uranus and Neptune
D. Jupiter and Saturn



Answer: B. Mars and Jupiter

What is an exoplanet?

What is an exoplanet?

A. A planet orbiting around a star other than the Sun
B. A planet without moons
C. A planet with extraterrestrial life
D. A desolate planet



Answer: A. A planet orbiting around a star other than the Sun

What is the primary method currently being used to assist in the possible discovery of Planet Nine?

What is the primary method currently being used to assist in the possible discovery of Planet Nine?

A. Radio Telescopes
B. Mapping orbits of objects in the Kuiper Belt
C. Optical Telescopes
D. Analysis of images from the Hubble Space Telescope



Answer: B. Mapping orbits of objects in the Kuiper Belt

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

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

A. 248 Earth years
B. 431 Earth years
C. 587 Earth years
D. 622 Earth years



Answer: A. 248 Earth years

Which planet has a moon almost as big as the planet itself?

Which planet has a moon almost as big as the planet itself?

A. Venus
B. Saturn
C. Neptune
D. Pluto


Answer: D. Pluto

What is the name of the region in which Pluto is found?

What is the name of the region in which Pluto is found?

A. Kuiper Belt
B. Oort clou
C. Asteroid Belt
D. Andromeda



Answer: A. Kuiper Belt

Pluto and Charon are a tidally locked pair, meaning:

Pluto and Charon are a tidally locked pair, meaning:

A. They are the same density.
B. They each have one hemisphere that always faces the other.
C. They are the same color.
D. They have the same amount of water on their surface.


Answer: B. They each have one hemisphere that always faces the other.

What are the five dwarf planets in our solar system?

What are the five dwarf planets in our solar system?

A. Charon, Hydra, Nix, Kerberos, and Styx
B. Ceres, Pluto, Haumea, Makemake, and Eris
C. Ganymede, Titan, Callisto, Europa, and Triton
D. Mars, Venus, Saturn, Jupiter, and Mercury



Answer: B. Ceres, Pluto, Haumea, Makemake, and Eris

Which dwarf planet takes the longest amount of time to go around the Sun?

Which dwarf planet takes the longest amount of time to go around the Sun?

a. Pluto
b. Eris
c. Makemake
d. Haumea



Answer: b. Eris

What is the criteria to be a planet that dwarf planets do not have?

What is the criteria to be a planet that dwarf planets do not have?

A. They haven't cleared the region near their orbits
B. They aren't round
C. They don't have any moons
D. They are too small



Answer: A. They haven't cleared the region near their orbits

Which of these is NOT one of the five officially recognized dwarf planets?

Which of these is NOT one of the five officially recognized dwarf planets?

A. Eris
B. Ganymede
C. Makemake
D. Ceres



Answer: B. Ganymede

Pluto was discovered in _____.

Pluto was discovered in _____.

A. 1920
B. 1900
C. 1930
D. 1950



Answer: C. 1930

What telescope took the best image of Pluto and Charon?

What telescope took the best image of Pluto and Charon?

A. Pluto Telescope
B. The Great Telescope
C. Charon Telescope
D. Hubble Space Telescope
E. We have no images of Pluto and Charon


Answer: D. Hubble Space Telescope

Planet X is presumed to be the size of

Planet X is presumed to be the size of

A). Pluto
B). Neptune
C). Earth
D). Saturn
E). Venus



Answer: B). Neptune

Which of the following is the only known dwarf planet that is located in the Asteroid Belt?

Which of the following is the only known dwarf planet that is located in the Asteroid Belt?

A. Pluto
B. Ceres
C. Eris
D. Haumea
E. Makemake



Answer: B. Ceres

What was the first object to be discovered in the Kuiper belt?

What was the first object to be discovered in the Kuiper belt?

A. Planet X
B. Pluto
C. Jupiter's moons
D. Neptune



Answer: B. Pluto

Due to its elliptical orbit, Pluto is sometimes closer to the Sun than is ____.

Due to its elliptical orbit, Pluto is sometimes closer to the Sun than is ____.

A. Jupiter
B. Uranus
C. Neptune
D. Saturn


Answer: C. Neptune

The International Astronomical Union recognizes how many Dwarf Planets in the solar system so far?

The International Astronomical Union recognizes how many Dwarf Planets in the solar system so far?

A. 1
B. 2
C. 5
D. 6
E. 7



Answer: C. 5

Are both Ceres and Pluto dwarf planets?

Are both Ceres and Pluto dwarf planets?

A. True
B. False



Answer: A. True

The space probe that made the closest approach to Pluto in July of 2015 is

The space probe that made the closest approach to Pluto in July of 2015 is

A. New Horizons
B. Voyager
C. MESSENGER
D. Mariner



Answer: A. New Horizons

How many moons does Pluto have?

How many moons does Pluto have?

A. 2
B. 5
C. 12
D. 0


Answer: B. 5

An object in space has to be round to be considered a planet

An object in space has to be round to be considered a planet

A. True
B. False


Answer: A. True

Which planet is approximately thirty times farther from the Sun than Earth is?

Which planet is approximately thirty times farther from the Sun than Earth is?

A. Jupiter
B. Saturn
C. Uranus
D. Neptune



Answer: D. Neptune

Which is the only space craft to have flown by Neptune?

Which is the only space craft to have flown by Neptune?

A. Viking 1 spacecraft
B. Kepler spacecraft
C. Voyager 2 spacecraft
D. Hubble spacecraft



Answer: C. Voyager 2 spacecraft

Which of the giant planets is the most dense?

Which of the giant planets is the most dense?

A. Jupiter
B. Venus
C. Neptune
D. Uranus



Answer: C. Neptune

About how many earths can fit inside the large planet Uranus?

About how many earths can fit inside the large planet Uranus?

A - 4
B - 64
C - 164
D - Well over 1000 earths



Answer: B - 64

What's the name of the large dark oval shaped feature in Neptune's southern hemisphere?

What's the name of the large dark oval shaped feature in Neptune's southern hemisphere?

A. Great Red Spot
B. Just another Bill Nye bowtie
C. Einstein's Bald Spot
D. Great Dark Spot



Answer: D. Great Dark Spot

Which two planets are known as ice giants?

Which two planets are known as ice giants?

A. Jupiter and Pluto
B. Uranus and Neptune
C. Jupiter and Saturn
D. Venus and Uranus
E. Neptune and Saturn


Answer: B. Uranus and Neptune

The spot on Neptune resembles the red spot of what other planet?

The spot on Neptune resembles the red spot of what other planet?

A. Mercury
B. Venus
C. Jupiter
D. Saturn



Answer: C. Jupiter

Who discovered Uranus?

Who discovered Uranus?

A. William Herschel
B. Urbain Leverrier
C. John Couch Adams
D. Johann Galle


Answer: A. William Herschel

When did Voyager 2 fly by Uranus?

When did Voyager 2 fly by Uranus?

A. 1984
B. 1986
C. 1968
D. 1946
E. 1996


Answer: B. 1986

From largest to smallest, which is the correct order of the atmospheric composition of Uranus?

From largest to smallest, which is the correct order of the atmospheric composition of Uranus?

A. Methane, Helium, Hydrogen
B. Helium, Hydrogen, Methane
C. Hydrogen, Helium, Methane
D. Methane, Hydrogen, Helium
E. Hydrogen, Methane, Helium



Answer: C. Hydrogen, Helium, Methane

Due to its extremely low orbit speed, Neptune has only orbited the sun _____ time(s) since its discovery in 1846.

Due to its extremely low orbit speed, Neptune has only orbited the sun _____ time(s) since its discovery in 1846.

A. 1
B.2
C. 4
D. 10



Answer: A. 1

Which moon has features that suggest that it has one broke apart and reformed?

Which moon has features that suggest that it has one broke apart and reformed?

A. Charon
B. Triton
C. Europa
D. Miranda



Answer: D. Miranda

What are the characteristic of Neptune's moon, Triton?

What are the characteristic of Neptune's moon, Triton? 

A) Thick oxygen atmosphere and deep craters
B) Orange tint and mile-high mountains
C) Thin nitrogen atmosphere and ice volcanoes
D) Lakes of liquid gallium and intense humidity


Answer: C) Thin nitrogen atmosphere and ice volcanoes

Neptune is the eighth planet from the Sun.

Neptune is the eighth planet from the Sun.

A. True
B. False


Answer: A. True

Each season on Neptune lasts how many Earth years?

Each season on Neptune lasts how many Earth years?

A. 30
B. 20
C. 40
D. 50


Answer: C. 40

What trace gas gives Neptune its blue color?

What trace gas gives Neptune its blue color?

A. Hydrogen
B. Oxygen
C. Methane
D. Beryllium


Answer: C. Methane