An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Pluto is smaller than Russia.
9
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
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
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The density of Saturn is so low that if you were to put it in a giant glass of water it would float.
219
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
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