One light-year (ly) is the distance that light travels in a vacuum in one year. It is approximately 5.878 trillion miles, or 5.878 x 10^12 miles. Therefore, 1 ly is equal to about 5.878 trillion miles.
1,609.344 (rounded)
no
60
10mm
3
3,645,254,625,357
2
Pardon me but what is an Is1?
4
100
it is1
1