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What is meant by the term light year?

Updated: 8/10/2023
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14y ago

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the distance light travels in one year. light travels at around 300,000,000 metres per second. 1 year has 31,556,962 seconds in it, therefore a light-year is approximately 9,467,088,600,000,000 metres.

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12y ago
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9y ago

A common misconception is that a "Lightyear" is a measure of time. This is wrong.

A lightyear refers to the distance travelled by light in one year - which is about 9.4605284 x 1015 metres

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15y ago

A light year is the distance that light travels in one year (at roughly 300,000 kilometers per second). It is equal to 9,460,800,000,000 (nine and a half trillion) kilometers.

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14y ago

A light year is the distance light travels in one year and is a measure of distance or length. It equates to about 6 trillion miles.

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14y ago

A light year is how far light can travel in one year and is 9.461×10^12 km or 9,461,000,000,000 km

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