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
The earth rotates more slowly on its axis in March than in September.
145
Venus is the only planet that rotates clockwise.
310
The Earth gets 100 tons heavier every day due to falling space dust.
673
The heart of an astronaut actually gets smaller when in outer space.
216
The light hitting the earth right now is 30 thousand years old.
163
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