The light hitting the earth right now is 30 thousand years old.
163
Summer on Uranus lasts for 21 years.
358
A comet's tail always points away from the sun.
2
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
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