Question

he light year is defined as the distance travelled by lig
1 light year=9.46 x 1015 m
How many light years are there in one metre?
(H.P.S.S.C.E. 2006
ow,
ear=3 x 108 m s-1x(365 x 24 x 60 x 60) s
=9.46x1015 m
1
1 m=
= 1.057x10-16 light year
9.46 x 1015
Define astronomical unit. (H.P.S.S.C.E.20​

Answer 1

Answer:

this is very tough

Explanation:

don't know this answer this is so difficult