A comet's tail always points away from the sun.
2
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Summer on Uranus lasts for 21 years.
358
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 light hitting the earth right now is 30 thousand years old.
163
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115