Summer on Uranus lasts for 21 years.
358
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
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 sun is 330,330 times larger than the earth!
190
A comet's tail always points away from the sun.
2
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
If two pieces of metal touch in space, they become permanently stuck together.
808
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277