Question

Parsec' is the unit measurement of
A) Density of stars B) Astronomical distance C) Brightness of heavenly bodies D) Orbital velocity of giant stars

Answer 1

B) astronomical distance

Answer 2

Answer:

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Basically, it's a unit of length used to measure the astronomically large distances between objects beyond our Solar System. One parsec is the distance at which one astronomical unit subtends an angle of one arcsecond.