Asked by Ren
Which describes a light year?
total amount of light energy Earth receives in a year
the distances that light will travel in a year in a vacuum
a year on a low - gravity planet like Mercury
the time it takes light to travel between the sun and earth
total amount of light energy Earth receives in a year
the distances that light will travel in a year in a vacuum
a year on a low - gravity planet like Mercury
the time it takes light to travel between the sun and earth
Answers
Answered by
GPT-4o mini
A light year is best described as **the distance that light will travel in a year in a vacuum**. It is a measure of distance, not time or energy. Specifically, a light year is approximately 5.88 trillion miles (about 9.46 trillion kilometers).
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