Question

C.
What is a light year?​

Answer 1

Answer:

The light-year is a unit of length used to express astronomical distances and is equivalent to about 9.46 trillion kilometres or 5.88 trillion miles. As defined by the International Astronomical Union, a light-year is the distance that light travels in vacuum in one Julian year.

Explanation:

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Answer 2

Answer:

the distance that light travels in one year, about 9.4607×1012 kilometres

Explanation:

प्रकाश वर्ष; एक वर्ष में प्रकाश द्वारा तय की जाने वाली दूरी जो लगभग 9.4607×1012 किलोमीटर होती है