Astronauts cannot burp in space.
232
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
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Only 55% of Americans know that the sun is a star.
986
Some asteroids have other asteroids orbiting them.
131
The population of the Earth has more than doubled since 1950.
151
Jupiter's moon Ganymede, is larger than the planet Mercury!
149