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
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Neil Armstrong, the first man to step foot on the moon, carried with him a piece of cloth and wood from the original 1903 Wright Flyer.
12
Venus is the only planet that rotates clockwise.
310
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
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
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