Pluto is smaller than Russia.
9
The sun is 330,330 times larger than the earth!
190
It takes eight and a half minutes for light to get from the sun to earth.
159
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
The heart of an astronaut actually gets smaller when in outer space.
216
Venus is the only planet that rotates clockwise.
310
Some asteroids have other asteroids orbiting them.
131