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
Pluto is smaller than Russia.
9
A comet's tail always points away from the sun.
2
Only 55% of Americans know that the sun is a star.
986
If two pieces of metal touch in space, they become permanently stuck together.
808
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10