The light hitting the earth right now is 30 thousand years old.
163
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The earth is .02 degrees hotter during a full moon.
157
The heart of an astronaut actually gets smaller when in outer space.
216
Pluto is smaller than Russia.
9
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
If you went out into space, you would explode before you suffocated because there's no air pressure.
149