  |
Smash!
On July 4, 2005, scientists smashed a space probe into comet Tempel 1. The crash gave scientists their first peek at the inside of a comet.
|
|
|
|
Blaze of Glory
As they heat up, comets develop two tails—an ion tail and a dust tail. An ion tail is made of gases. A dust tail is formed by dust.
|
|
|
|
Picture-Perfect
A few comets are very bright. You don’t need a telescope to see them. Here comet Hale-Bop lights up the night sky.
|
 |
