A 100-pound person on Earth would weigh 38 pounds on Mars.
102
The earth travels through space at 660,000 miles per hour.
189
The sun is 330,330 times larger than the earth!
190
Earth is the only planet in our solar system that's not named after a god or goddess.
17
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Some asteroids have other asteroids orbiting them.
131
There is a mysterious and loud radio signal known as 'the space roar' that has yet to be explained.
15