The light hitting the earth right now is 30 thousand years old.
163
Pluto is smaller than Russia.
9
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
NASA invented baby food as we know it today.
7
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7