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valkas [14]
4 years ago
14

What is a light year??????????

Physics
2 answers:
Mkey [24]4 years ago
8 0
A light-year is a <u>distance</u>.

It's the distance that light travels through vacuum in one year.

The distance is 9.4607 x 10¹² kilometers in metric units, and 5.8786 x 10¹² miles
in 'customary' units, and is normally written without a bunch of question marks.
REY [17]4 years ago
3 0
A light year is an unit of distance.

&#10;&#10;light year  ≈  10^1^3km
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