The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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 Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
If two pieces of metal touch in space, they become permanently stuck together.
808
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Some asteroids have other asteroids orbiting them.
131
It 'snows' metal on Venus.
13