Venus is the only planet that rotates clockwise.
310
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
The heart of an astronaut actually gets smaller when in outer space.
216
A comet's tail always points away from the sun.
2
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
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
It would take more than 150 years to drive a car to the sun.
569