Sound doesn't travel in space.
255
Pluto is smaller than Russia.
9
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
It would take more than 150 years to drive a car to the sun.
569