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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Pluto is smaller than Russia.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14