what is light year ??
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2
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.
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Answered by
1
Answer:
The distance which a light could cover in 1 year , is called light year.
Explanation:
- Iight year is a unit to measure very large distances like, distance between stars.
- speed of light is 3×10⁸ in vacuum.
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