Summer on Uranus lasts for 21 years.
358
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178
Jupiter is bigger than all the other planets combined.
254
A 100-pound person on Earth would weigh 38 pounds on Mars.
102
Saturn's moon, Mimas, not only looks like the Death Star, it also has a Pac Man heat signature.
15
The temperature of the earth's interior increases by 1 degree every 60 feet down.
115
It 'snows' metal on Venus.
13
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100