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
Pluto is smaller than Russia.
9
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14