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 Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
The heart of an astronaut actually gets smaller when in outer space.
216
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Earth is the only planet in our solar system that's not named after a god or goddess.
17
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
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.
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