Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Buzz Aldrin’s mother’s maiden name was Moon.
9
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