The earth is .02 degrees hotter during a full moon.
157
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
It 'snows' metal on Venus.
13
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
A neutron star (what remains after a Super Nova) is so dense that a portion of it the size of a sugar cube would weigh as much as all of humanity, or more than all the cars in the United States.
5
The population of the Earth has more than doubled since 1950.
151
Mars had an oxygen-rich atmosphere around 4 billion years ago
13