A comet's tail always points away from the sun.
2
The population of the Earth has more than doubled since 1950.
151
It 'snows' metal on Venus.
13
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
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115