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
Astronauts get taller when they are in space.
224
Buzz Aldrin’s mother’s maiden name was Moon.
9
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
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 are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
Earth is the only planet in our solar system that's not named after a god or goddess.
17