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abstraction > mathematical concept > unit > length unit > light-year |
light-year comparison table |
Subject | is an instance of | is a kind of | has symbol | has definition |
---|---|---|---|---|
length unit | unit | |||
light-year | length unit | ly | The distance light travels in a vacuum in 1 year. 1 lt-yr = 9.4605 × 1012 km = 0.307 pc (c = 299792.46 km s-1 = 186274 miles s-1). (1 lt-min ≈ 0.13 AU.) |
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