The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The earth is .02 degrees hotter during a full moon.
157
Only 55% of Americans know that the sun is a star.
986
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
There are two golf balls sitting on the moon.
721
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221