Question

what is light years​

Answer 1

Answer:

The distance that light travel in one year is called light year

Explanation:

Answer 2

Explanation:

• According to NASA, a light-year is the distance in which light travels in one earth year and is usually 6 trillion miles (9 trillion kilometers).
• Light travels at a velocity ranging around 300,000 kilometers a second; hence in a year, light can travel for over 10 trillion km.
• The milky galaxy way, for instance, is around 150,000 light-years away while the Crab supernova is around 4,000 light-years.

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