If two pieces of metal touch in space, they become permanently stuck together.
808
NASA invented baby food as we know it today.
7
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219