The earth rotates more slowly on its axis in March than in September.
145
All of the Earth's continents are wider at the north than in the south - and nobody knows why.
194
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
Some asteroids have other asteroids orbiting them.
131
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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
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
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9