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
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The sun is 330,330 times larger than the earth!
190
The heart of an astronaut actually gets smaller when in outer space.
216
The earth rotates more slowly on its axis in March than in September.
145
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14