The Earth gets 100 tons heavier every day due to falling space dust.
673
Jupiter has radio storms so strong that they can be picked up and heard by an AM radio.
16
Jupiter's moon Ganymede, is larger than the planet Mercury!
149
There are approximately 3,500 astronomers in the U.S. - but over 15,000 astrologers.
124
The sun is 330,330 times larger than the earth!
190
A comet's tail always points away from the sun.
2
The heart of an astronaut actually gets smaller when in outer space.
216