Science Fact of the Day September 11, 2009
Posted by spatialrift47 in SFoTD.add a comment
There are about 200 billion stars in our galaxy, which is the same as the number of humans you would have if you had 30 identical Earths.
the extraordinary science behind ordinary phenomena
There are about 200 billion stars in our galaxy, which is the same as the number of humans you would have if you had 30 identical Earths.