The light hitting the earth right now is 30 thousand years old.
163
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Astronauts cannot burp in space.
232
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4
The earth travels through space at 660,000 miles per hour.
189