Suppose you measure the parallax angle for a particular star to be 0.1 arcseconds. The distance to this star is
A) 10 light-years.
B) 10 parsecs.
C) 0.1 light-year.
D) 0.1 parsec.
E) impossible to determine.
Answer: B
Suppose you measure the parallax angle for a particular star to be 0.1 arcseconds. The distance to this star is
A) 10 light-years.
B) 10 parsecs.
C) 0.1 light-year.
D) 0.1 parsec.
E) impossible to determine.
Answer: B