The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
Astronauts get taller when they are in space.
224
A comet's tail always points away from the sun.
2