Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
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
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
More than 20 million meteoroids enter Earth's atmosphere every day.
139
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
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 travels through space at 660,000 miles per hour.
189