One light-year is the
A) distance that light travels in one year.
B) time taken for Earth to orbit the Sun once.
C) distance between Earth and the Sun.
D) time taken for light to travel from the Sun to Earth.

Question

Quizplus · Accepted Answer

A light-year is a measure of distance, not time. It represents the distance that light travels in one year in a vacuum, which is about 9.461 trillion kilometers or about 5.879 trillion miles.

One Light-Year Is the