The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
Astronauts cannot burp in space.
232
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The ashes of the man who discovered Pluto are currently en route to dwarf planet, scheduled to arrive on the 14th of July, 2015.
11
The Earth weighs around 6,600,000,000,000,000,000,000 tons (5,940 billion billion metric tons)!
221
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147