Lightning strikes about 6,000 times per minute on this planet!
158
A comet's tail always points away from the sun.
2
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The heart of an astronaut actually gets smaller when in outer space.
216
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14