At what distance are stars assumed to be from Earth when they are represented by their absolute (as opposed to their apparent)magnitude?
A) 10 ly
B) 10 parsecs
C) 10 AU
D) 1 ly

Question

Quizplus · Accepted Answer

The absolute magnitude of a star is defined as the brightness of a star as it would appear at a distance of 10 parsecs from Earth. A parsec is a unit of distance used in astronomy, equal to about 3.26 light-years.

At What Distance Are Stars Assumed to Be from Earth