There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
41% of the moon is not visible from earth at any time.
103
Sound doesn't travel in space.
255
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
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
The Earth gets heavier each day by tons, as meteoric dust settles on it.
118
Approximately 115 tons of ocean salt spray enters the earth's atmosphere each second.
100