The heart of an astronaut actually gets smaller when in outer space.
216
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
The Earth gets 100 tons heavier every day due to falling space dust.
673
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6