Science, asked by barna123, 1 year ago

what is lightyear and who at first who discover it ?

Answers

Answered by Anonymous
1
LIGHT YEAR is the distance travelled by light in 1 year in vacuum .

And it was discovered by FRIEDRICH BESSEL.

1 Light year = 9.46 * 10 ^15 m ( approx 10 * 10 ^16 m).

viku77: yes right
Answered by TheLostMonk
1
light year is a astronomical unit if distance,it is the distance travelled by light in one year in vacuum .
and it was discovered by freidrich Bessel....
and it is used to measure the distance between stars ,planets etc.
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