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The Mission




Rocket: Delta 2 (7925)
Payload: Deep Impact
Date: January 12, 2005
Time: 1:47:08 p.m. EST (1847:08 GMT)
Site: SLC-17B, Cape Canaveral, Florida
Broadcast: AMC 6, Transponder 9, C-band, 72° West

Mission Status Center

Our pre-launch story



The Payload




NASA's Deep Impact spacecraft will fire a projectile into the heart of Comet Tempel 1 to expose materials frozen inside the rocky snowball since the solar system formed four billion years ago.

Mission overview

Info on comets

The science objectives

Spacecraft fact sheet



Launch weather forecast
Posted: January 11, 2005

 Forecast for Wednesday, January 12

Issued: Tuesday, January 11
Launch Weather Officer: Johnny Weems, 45th Weather Squadron

Synoptic Discussion: "Substantial high pressure surface and aloft will produce favorable conditions through the latter part of the week. Conditions will begin to transition mid week as the ridge weakens and a cold front approaches on Friday.

"The only concern for Wednesday is coastal cloudiness with a slight chance of very brief showers. Moderate east-southeast wind expected but should not approach limits.

"Concerns for cloudiness, winds, and isolated showers will increase in the event of a 24 hour scrub."

Clouds: Scattered-to-broken at 2,500-to-3,000 feet with tops at 6,000-to-8,000 feet; Scattered at 25,000-to-28,000 feet with tops at 29,000-to-32,000 feet

Visibility: 7 miles

Launch Pad Winds: Southeasterly from 130 degrees at 14 gusting to 17 knots

Temperature: 76 to 78 degrees F

Relative Humidity: 70-75 percent

Weather: Isolated coastal showers

Probability of Violating Weather Constraints: less than 10 percent

Concerns: Coastal cloudiness and showers

 

 24-hour Delay Forecast

Thursday's Probability of Violating Constraints: 20 percent
Concerns: Increasing clouds and chance of showers as front approaches and ridge weakens

 

Apollo 12 tribute DVD set

New! Featuring the jovial crew of Pete Conrad, Dick Gordon and Alan Bean, the Apollo 12 mission was struck by lightning shortly after liftoff but proceeded on the second successful exploration voyage to the lunar surface. This three-disc DVD brings the mission to life with extraordinary detail.
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Fallen Heroes special patch
This special 12-inch embroidered patch commemorates the U.S. astronauts who made the ultimate sacrifice, honoring the crews of Apollo 1, Challenger and Columbia.
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Women in Space
Women of Space: Cool Careers on the Final Frontier is for girls, young women, and anyone else interested in learning about exciting careers in space exploration. Includes CD-ROM.
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Mars rover poster
This new poster features some of the best pictures from NASA's amazing Mars Exploration Rovers Spirit and Opportunity.
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