How many days are in one light year?One Light Year:One light year is a measurement of distance, and it refers to the distance light travels in one Earth year. More specifically, one light year is equivalent to 5.88 trillion miles or 9.46 trillion kilometers. For example, the Earth is ...
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百度试题 结果1 题目A light year is the distance travelled by light in how many Earth years?相关知识点: 试题来源: 解析 1 反馈 收藏
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A light year is how far light can travel in one year. Light always travels at the same speed: about 300,000 kilometres per second. This is the fastest speed possible in the universe. Nothing travels faster.Imagine a star is 3,000 light years away. This means it would take3,000 years...
A light year is a standard of measurement used by astronomers to describe huge distances in the Universe. The nearest star is 4.22 light years away. The center of the Milky Way is about 26,000 light years away. But how far is1 light year? A light year is the distance that light trave...
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(D)A light year is how far light can travel in one year.Light always travels at the same speed:about 300,000 kilometresper second.This is the fastest speed possible in the universe.Nothing travels faster.Imagine a star is 3,000 light years away.This means it would take 3,000 years t...
How fast is a light year? The Speed of Light: The speed of light is approximately 186,000 miles per second, or approximately 300,000 kilometers per second. It is the fastest that anything in the universe can travel. Answer and Explanation:1 ...
How far is alight-year? It might seem like a weird question because isn’t a ‘year’ a unit of time, and ‘far’ a unit of distance? While that is correct,a ‘light-year’ is actually a measure of distance. A light-year is the distance light can travel in one year. ...