The earth rotates more slowly on its axis in March than in September.
145
Some asteroids have other asteroids orbiting them.
131
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
If two pieces of metal touch in space, they become permanently stuck together.
808
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Astronauts cannot burp in space.
232
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