If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Pluto is smaller than Russia.
9
The population of the Earth has more than doubled since 1950.
151
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
If two pieces of metal touch in space, they become permanently stuck together.
808
Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8