A light-year is:
A)about 365 Earth days.
B)the distance that light travels in a year.
C)the time it takes a beam of light to circle the Sun.
D)the distance between the Sun and the nearest other star.

Question

Quizplus · Accepted Answer

A light-year is the distance that light travels in a vacuum in one year. It is approximately 5.88 trillion miles (9.4 trillion kilometers). A light-year is the distance that light travels in a year, approximately 9.46 trillion kilometers or 5.88 trillion miles. It has nothing to do with the time it takes for light to circle the Sun or the distance between the Sun and the nearest other star.

A Light-Year Is