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
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
Pluto is smaller than Russia.
9
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
Buzz Aldrin’s mother’s maiden name was Moon.
9
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14