In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Lightning strikes about 6,000 times per minute on this planet!
158
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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