Summer on Uranus lasts for 21 years.
358
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
It 'snows' metal on Venus.
13
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
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
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115