The heart of an astronaut actually gets smaller when in outer space.
216
If you went out into space, you would explode before you suffocated because there's no air pressure.
149
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Lightning strikes about 6,000 times per minute on this planet!
158
Astronauts get taller when they are in space.
224
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.
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