The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
The heart of an astronaut actually gets smaller when in outer space.
216
In outer space there exists a gigantic cloud of alcohol which can be used to produce 400 trillion trillion pints of beer.
31
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
More than 20 million meteoroids enter Earth's atmosphere every day.
139
If two pieces of metal touch in space, they become permanently stuck together.
808
It takes eight and a half minutes for light to get from the sun to earth.
159
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13