Sound doesn't travel in space.
255
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Venus is the only planet that rotates clockwise.
310
Buzz Aldrin’s mother’s maiden name was Moon.
9
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Astronauts cannot burp in space.
232