In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
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
Summer on Uranus lasts for 21 years.
358
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
The light hitting the earth right now is 30 thousand years old.
163
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46