Astronauts cannot burp in space.
232
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
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
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
Only 55% of Americans know that the sun is a star.
986
Sound doesn't travel in space.
255
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131