Q383
Parsec is the unit of
A.
Distance
AnswerB.
Time
C.
Intensity of light
D.
Magnetic line
Answer: Option A
Solution
Answer: Option A
Solution:
One parsec is the distance to an object whose parallax angle is one arc second. The radius of the Earth's orbit equals one astronomical unit (AU), so an object that is one parsec distant is 206,265 AU (or 3.26 light-years) away.