There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
More than 20 million meteoroids enter Earth's atmosphere every day.
139
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
A comet's tail always points away from the sun.
2
Astronauts get taller when they are in space.
224
Summer on Uranus lasts for 21 years.
358
The Earth gets 100 tons heavier every day due to falling space dust.
673
