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
The light hitting the earth right now is 30 thousand years old.
163
Pluto is smaller than Russia.
9
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
A comet's tail always points away from the sun.
2
Mars had an oxygen-rich atmosphere around 4 billion years ago
13