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
Astronauts get taller when they are in space.
224
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
More than 20 million meteoroids enter Earth's atmosphere every day.
139
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
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Jupiter is bigger than all the other planets combined.
254