In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175