when stars die it takes 4 or more years for the light of the star to travel away from us. So we still see them shining but they aren't there.
Jan 29, 2014
Jan 29, 2014 at 7:33 PM UTC
when stars die it takes 4 or more years for the light of the star to travel away from us. So we still see them shining but they aren't there.
