In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The earth travels through space at 660,000 miles per hour.
189
The heart of an astronaut actually gets smaller when in outer space.
216
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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
A car traveling 100 mph would take more than 29 million years to reach the nearest star (to our solar system)
88