The sun is about 149 million kms (93 million miles) from earth, yet it's 270,000 times closer than the next nearest star, which is 4.3 light years away.
By some estimates, there are about a million earthquakes a day, although most are too small to be felt by even the most sensitive.
Seoul, the South Korean capital, just means "the capital" in the Korean language.
The rocket engine has to supply its own oxygen so it can burn its fuel in outer space.
A flies taste buds are on its feet.
An ostrichs eye is bigger than it's brain.
Babies are born far sighted - their eyes start to focus properly between 3 to 6 months of age.
A hedgehogs heart beats 300 times a minute on average.
Over 1000 birds a year die from smashing into windows.
When the queen of a clownfish school dies, a male clownfish changes its gender to become female and takes her place.