A comet's tail always points away from the sun.
2
More than 20 million meteoroids enter Earth's atmosphere every day.
139
Saturn's rings are about 500,000 miles in circumference but only about a foot thick.
160
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The sun puts out more power in 1 second than mankind has ever used within human existence.
14
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
Earth is the only planet in our solar system that's not named after a god or goddess.
17