Creation Moment 8/28/2013 - Atmosphere & Earth Diameter

"Planet earth is 8,000 miles in diameter, and this seems about right. If it were 800 miles larger the weight of our atmosphere would double, producing much more water, and the whole earth would probably be flooded. But if the earth were 800 miles smaller, most of the atmosphere would escape into space. Without this warm blanket, the earth would become frozen, and too cold for life." OurWorld
And God called the firmament Heaven.
And the evening and the morning were the second day.
Genesis 1:8