In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
A comet's tail always points away from the sun.
2
From the nitrogen in our DNA, to the calcium in our teeth, the iron in our blood, to the carbon in our apple pies - all were made in the interiors of collapsing stars; we're all made of stardust.
22
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Pluto is smaller than Russia.
9
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
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
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4