Astronauts get taller when they are in space.
224
A comet's tail always points away from the sun.
2
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
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The Earth gets 100 tons heavier every day due to falling space dust.
673
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
Only 55% of Americans know that the sun is a star.
986
The heart of an astronaut actually gets smaller when in outer space.
216