Some asteroids have other asteroids orbiting them.
131
A comet's tail always points away from the sun.
2
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
It 'snows' metal on Venus.
13