Astronomer Percival Lowell believed that he was the first person to observe canals on Venus, but because of a faulty adjustment of the eyepiece on his telescope, he was in fact looking at the blood vessels in his own eye.
4
It would take more than 150 years to drive a car to the sun.
569
Scientists have confirmed that Enceladus, one of Saturn’s moons, has a watery ocean.
6
Pluto is smaller than Russia.
9
Jupiter is bigger than all the other planets combined.
254
On Titan, Saturn's largest moon, the atmosphere is so thick and the gravity so low that humans could fly through it by flapping "wings" attached to their arms.
7
The Space Shuttle main engine weighs 1/7th as much as a train engine but delivers as much horsepower as 39 locomotives.
147
Summer on Uranus lasts for 21 years.
358