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
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Astronauts cannot burp in space.
232
It would take more than 150 years to drive a car to the sun.
569
An international team of astronomers has spotted the farthest known gravitational lens and, as Albert Einstein predicted, it is a galaxy that deflects and intensifies the light of a much further object.
9