The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Today's top fuel dragsters take off with more force than the space shuttle.
120
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
Astronauts cannot burp in space.
232
