If you went out into space, you would explode before you suffocated because there's no air pressure.
149
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
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
Jupiter is bigger than all the other planets combined.
254
The last time that the Sun was in its current position in space around the Milky Way, dinosaurs ruled the Earth.
10
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
The moon is actually moving away from Earth at a rate of 1.5 inches per year.
236
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