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
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
The earth rotates more slowly on its axis in March than in September.
145
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
41% of the moon is not visible from earth at any time.
103
Lightning strikes about 6,000 times per minute on this planet!
158
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Venus is the only planet that rotates clockwise.
310