An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
The earth is .02 degrees hotter during a full moon.
157
If two pieces of metal touch in space, they become permanently stuck together.
808
It takes eight and a half minutes for light to get from the sun to earth.
159
Sound doesn't travel in space.
255