More than 20 million meteoroids enter Earth's atmosphere every day.
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The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
Jupiter is bigger than all the other planets combined.
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The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
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
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