If two pieces of metal touch in space, they become permanently stuck together.
808
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
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
It 'snows' metal on Venus.
13
Venus is the only planet that rotates clockwise.
310
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The light hitting the earth right now is 30 thousand years old.
163