One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Summer on Uranus lasts for 21 years.
358
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
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
It 'snows' metal on Venus.
13