There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15
It would take more than 150 years to drive a car to the sun.
569
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
Sound doesn't travel in space.
255
The heart of an astronaut actually gets smaller when in outer space.
216
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
A comet's tail always points away from the sun.
2