An Icy Blob of Fluff

Firing a projectile into a comet has exposed an icy dirtball.

By Emily Sohn, 00:00 AM September 9, 2005

The collision between a projectile, launched from the spacecraft Deep Impact, and Comet Tempel 1 on July 4th was pretty exciting (see "A Smashing Display"). But the excitement didn't end there. Astronomers continue to analyze data from the event, and early findings reveal lots of new information about comets and the formation of our solar system.

Comet Tempel 1, as seen by the Deep Impact spacecraft as it traveled away from the icy body after the collision.

Comet Tempel 1, as seen by the Deep Impact spacecraft as it traveled away from the icy body after the collision.

NASA, Deep Impact Team, Univers...

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