light-year (Q239637)
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unit of astronomical length, defined as the distance that light travels in the vacuum in one year
- ly
- light year
- lightyear
- l.y.
- light-years
- lightyears
- light years
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | light-year |
unit of astronomical length, defined as the distance that light travels in the vacuum in one year |
|