The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
Jupiter is bigger than all the other planets combined.
254
41% of the moon is not visible from earth at any time.
103
The earth travels through space at 660,000 miles per hour.
189
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Summer on Uranus lasts for 21 years.
358