to compute a light year this is what you do 60seconds = 1 min times that be 60 = 1 hour times that bt 24 you have a day times 365,
186000 sec x 6o x 24 x 365 =
186000 miles a second is how far light travels in I sec
h2o water
about 82000miles in diameter
yes we are aleine when we go to the moon
at the angle were at 700 miles an hour at the equador it 1000 miles an hour
you dont want to here it because it might attact your cardiovascular
this is it with no change or negotion
no because the air will get thin
the milkyway also our nearest galax is alfo sentory
to answer your question directly before i explain how you can also come up with the same
25000 miles around the earth
the what we call D is 8000 miles from one siide to the other so half way through it 400 which is whar we call the radius.
the way you come to this is you thke D x 2.14 = 8000 x 3.14