The heart of an astronaut actually gets smaller when in outer space.
216
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Venus is the only planet that rotates clockwise.
310
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
The earth travels through space at 660,000 miles per hour.
189