A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The population of the Earth has more than doubled since 1950.
151
Astronauts cannot burp in space.
232
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
Summer on Uranus lasts for 21 years.
358
A lightning bolt generates temperatures five times hotter than those found at the sun's surface!
127
Jupiter is bigger than all the other planets combined.
254
Buzz Aldrin’s mother’s maiden name was Moon.
9