bn:00051120n
Noun Concept
Categories: Light, 1838 in science, All articles containing potentially dated statements, Articles with short description, Units of measurement in astronomy
EN
light year  light-year  lightyear  gigalight-year  Kilolight-year
EN
The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers WordNet 3.0
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EN
The distance that light travels in a vacuum in 1 year; 5.88 trillion miles or 9.46 trillion kilometers WordNet 3.0 & Open English WordNet
A light-year, alternatively spelled light year, is a unit of length used to express astronomical distances and is equal to exactly 9,460,730,472,580.8 km, which is approximately 5.88 trillion mi. Wikipedia
Distance that light travels through a vacuum in one year. Wikipedia Disambiguation
Unit of length used to express astronomical distances, defined as the distance that light travels in a vacuum in one year Wikidata
Astronomical unit of length equal to the distance light travels in a vacuum in one year. OmegaWiki
A unit of length (abbreviation ly; equal to just under 10 trillion kilometres (1016 metres)) equal to the distance light travels in one Julian year; used to measure extremely large distances. Wiktionary
WordNet 3.0 & Open English WordNet
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