A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The typical spec of dust that you see floating in the air is half way in size between the Earth and a subatomic particle.
131
Some asteroids have other asteroids orbiting them.
131
The sun is 330,330 times larger than the earth!
190
Today's top fuel dragsters take off with more force than the space shuttle.
120
Summer on Uranus lasts for 21 years.
358
The earth travels through space at 660,000 miles per hour.
189