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
41% of the moon is not visible from earth at any time.
103
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
It would take more than 150 years to drive a car to the sun.
569
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The Sun and Moon appear to be the same size because the moon is 400 times smaller than the Sun, but 400 times closer to Earth.
13
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
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124