A star is 4.3 light years away from the earth. What does it mean?
Dear student
Light year is unit of distance which means distance travelled by light in a year.
1 light year =
So, 4.3 light year = 40.6823 kilometres
with regards
Light year is unit of distance which means distance travelled by light in a year.
1 light year =
So, 4.3 light year = 40.6823 kilometres
with regards