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
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
A comet's tail always points away from the sun.
2
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
Earth is the only planet in our solar system that's not named after a god or goddess.
17