The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Summer on Uranus lasts for 21 years.
358
The Earth gets 100 tons heavier every day due to falling space dust.
673
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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
A comet's tail always points away from the sun.
2
Sound doesn't travel in space.
255
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15