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November/December 2004
Fact Sheet  |  Deep News  |  Biographies  |  What Did We Hope to See?  |  Timeline
Quick Facts  |  Mission Update  |  How Deep Impact Got Its Name 


Newsletter Archive

Deep News
Newsletter for the Deep Impact mission
Issue 17
November/December 2004

The Deep Impact launch date has been rescheduled to January 12, 2005 at 1:40 pm EST. If you want to know more about the Deep Impact mission, take a look at:

Picture This! Deep Impact Videos
This month you can take a look at the latest images of the Deep Impact spacecraft and launch vehicle provided by Kennedy Space Center in Florida.

Check out Kennedy Space Center's new videos about the mission and the spacecraft's arrival at Astrotech.

Tempel 1's Place in the Solar System
Most people are familar with the picture of the Solar System consisting of concentric rings representing the orbits of the planets with the Sun in the middle. Where does Tempel 1's orbit fit into this scheme? Take a look at Gregorio Drayer's graphics showing the orbit of Tempel 1 as viewed from out near Pluto's orbit and from the asteroid belt.

You can also take a look at Tempel 1's current position at:

Can you manipulate the the slider bars of the applet to get similar views as Gregario's graphics? Then come back to Earth and check out the charts for finding Tempel 1 in the night sky for the next several months.

Questions from You!
What is the difference between the nucleus of a comet and its core? Does a comet have layers? Take a look at the anatomy of a comet.

Meet Steve Wissler - Up Close and Personal
He graduated from UCLA with a degree in astronomy and as much as he likes looking through a telescope, he thinks it is much better to send robots out to see what we are learning about. Meet Steve Wissler.

Name That Game!
Hey Kids, if you're having a party, you might want to check out our comet games and snacks. Learn some cool comet facts and then play an old game with a new name. We've got some comet snacks you can make as well! If you don't know much about comets - not a problem. We've got comet facts for you as well.

Did you see our past Deep News Issues?
Visit to catch up on exciting past news from the Deep Impact mission.

Deep Impact is a Discovery mission. For more information on the Discovery Program, visit:

The Deep Impact mission is a partnership among the University of Maryland (UMD), the California Institute of Technology's Jet Propulsion Laboratory (JPL) and Ball Aerospace and Technology Corp (BATC). Deep Impact is a NASA Discovery mission, eighth in a series of low-cost, highly focused space science investigations. See or our mirror site at

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Last Updated: 28 Jun 2010