An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100
Mars had an oxygen-rich atmosphere around 4 billion years ago
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
There are two golf balls sitting on the moon.
721
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175