A light-year is a unit of

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asked Sep 18, 2017 196k views

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Ching · Answer 1 · 2017-09-23T21:01:38+0000

A light-year is a unit of length or distance.
It's defined as the distance that light (or any electromagnetic
wave) travels through vacuum in one Earth-year.

==> about 9,460,730,000,000,000 meters

==> about 5,878,620,000,000 miles

A light-year is a unit of

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