It 'snows' metal on Venus.
13
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
A comet's tail always points away from the sun.
2
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The light hitting the earth right now is 30 thousand years old.
163
Summer on Uranus lasts for 21 years.
358
If two pieces of metal touch in space, they become permanently stuck together.
808