More than 20 million meteoroids enter Earth's atmosphere every day.
139
Lightning strikes about 6,000 times per minute on this planet!
158
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
One pinhead of the sun's energy is enough to kill a person at a distance of 160 kilometers.
277
Astronauts cannot burp in space.
232
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
The Earth gets 100 tons heavier every day due to falling space dust.
673
An organisation called Mars One is planning to establish a permanent colony of humans on Mars by 2023.
9