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 volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
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
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The population of the Earth has more than doubled since 1950.
151