Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
It would take more than 150 years to drive a car to the sun.
569
The Earth gets 100 tons heavier every day due to falling space dust.
673
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Pluto is smaller than Russia.
9
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
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