Some asteroids have other asteroids orbiting them.
131
Buzz Aldrin’s mother’s maiden name was Moon.
9
More than 20 million meteoroids enter Earth's atmosphere every day.
139
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
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
