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
A comet's tail always points away from the sun.
2
Summer on Uranus lasts for 21 years.
358
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Sound doesn't travel in space.
255
The sun is 330,330 times larger than the earth!
190
Venus is the only planet that rotates clockwise.
310