- 1. n. the distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers Source: wordnet
- 2. The distance over which light can travel in a year's time; -- used as a unit in expressing stellar distances. It is more than 63,000 times as great as the distance from the earth to the sun. Source: webster
- 3. The distance over which light can travel in a year's time; --used as a unit in expressing stellar distances. It is more than63,000 times as great as the distance from the earth to the sun. Source: adambom
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light year
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distancelightdistancesearthexpressinggreatstellarsuntimetimestraveltrillionunitkilometersmilestravelsvacuumyear
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