Astronauts get taller when they are in space.
224
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
Summer on Uranus lasts for 21 years.
358
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
There are two golf balls sitting on the moon.
721
The Earth gets 100 tons heavier every day due to falling space dust.
673
The earth rotates more slowly on its axis in March than in September.
145