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
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
It 'snows' metal on Venus.
13
Today's top fuel dragsters take off with more force than the space shuttle.
120
41% of the moon is not visible from earth at any time.
103
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118