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
Summer on Uranus lasts for 21 years.
358
There are two golf balls sitting on the moon.
721
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
The population of the Earth has more than doubled since 1950.
151
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
The Earth gets 100 tons heavier every day due to falling space dust.
673