The heart of an astronaut actually gets smaller when in outer space.
216
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The earth travels through space at 660,000 miles per hour.
189
Astronauts get taller when they are in space.
224
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15