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Countdown to Impact




Impactor release: Sunday 2:07 a.m. EDT
Impact with comet: Monday 1:52 a.m. EDT
First post-impact photo: Monday 2:08 a.m. EDT

Detailed timeline

Impactor release story

Mission Status Center

Photo: Impactor deploy

Video coverage



The Mission




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



Shuttle History Series




STS-1 - America's first space shuttle mission.

STS-3 - Columbia's third test flight.

STS-51A - Daring mission to deploy and retrieve satellites in space.

STS-31 - Launch of the Hubble Space Telescope.

STS-49 - Rescue of Intelsat spacecraft on Endeavour's maiden voyage.

STS-105 - Mission to swap International Space station resident crews.

STS-108 - Space station crew exchange and Sept. 11 remembrance.

STS-109 - Fourth servicing call to the Hubble Space Telescope.

STS-110 - Space station grows with addition of new truss.

STS-111 - A new station crew launched to continue international foothold in space.

STS-112 - Launching the outward expansion of the space station's truss backbone.

STS-113 - Continuing station construction while exchanging its resident crews.




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Deep Impact video directory
Updated: July 3, 2005

This video selection follows NASA's Deep Impact space probe as it hits Comet Tempel 1, giving humanity the first glimpse into the frozen heart of the rocky snowball.

The video clips are available to Spaceflight Now Plus subscribers. This premium service gives you access to our vast video collection and financially supports the continued operation of this web site. Spaceflight Now is made possible by you, the subscriber!

Find out how to get your subscription by clicking here.

July 3: Mid-day status check
Review
Deep Impact project manager Rick Grammier recaps the Saturday night activities to target Comet Tempel 1 and release the impactor spacecraft. (5min 26sec file)
 PLAY

Look ahead
A description of Deep Impact's final hours to the comet collision is given by Jennifer Rocca, the mission systems engineer. (5min 48sec file)
 PLAY

     
Early science
Michael A'Hearn, astronomer from the University of Maryland and the Deep Impact principal investigator, describes some of the early science results from watching Tempel 1's recent outbursts. (6min 00sec file)
 PLAY

News conference
With 12 hours remaining before impact, mission officials and scientists give a status report from NASA's Jet Propulsion Laboratory. This briefing occurred at 2 p.m. EDT July 3. (52min 44sec file)
 Dial-up | Broadband 1 & 2

     
July 1: Countdown to impact
Mission engineering
Deep Impact mission officials provide an engineering overview of the spacecraft's daring attempt to fire a small probe into Comet Tempel 1. This briefing occurred July 1 at JPL. (41min 04sec file)
 Dial-up | Broadband

Science conference
Scientists working on the Deep Impact mission give an update on research into Comet Tempel 1 and preview what they hope to learn with the July Fourth impact. This briefing occurred July 1 at JPL. (32min 29sec file)
 Dial-up | Broadband

     
The spacecraft
Monte Henderson, deputy program manager with spacecraft-builder Ball Aerospace and Technologies Corp., uses a large model to explain details of the mothership and the comet impactor craft. (6min 00sec file)
 PLAY


     
Deep Impact departs Earth
The launch
A Boeing Delta 2 rocket blasts off from Cape Canaveral carrying NASA's comet-smashing probe called Deep Impact. This extended clip follows the mission through second stage ignition and jettison of the rocket's nose cone. (5min 37sec file)
 PLAY VIDEO

Engine close-up
An engineering camera at the pad captured this close-up view of the Delta's engine ignition.
 PLAY VIDEO

     
Tracker
A clear day allows this tracking camera site north of the launch pad to follow the Delta rocket during in first minute of flight. (1min 33sec file)
 PLAY VIDEO

Cocoa Beach
A Boeing Delta 2 rocket blasts off from Cape Canaveral carrying NASA's comet-smashing probe called Deep Impact. This extended clip follows the mission through second stage ignition and jettison of the rocket's nose cone. (5min 37sec file)
 PLAY VIDEO

     
Press Site views
Cameras located at Cape Canaveral's Press Site 1 location offers these views of the Delta rocket's ascent.
 CLOSE-UP | WIDE ANGLE

Playalinda Beach
The camera site at Playlinda Beach well north of pad 17B tracks the Delta rocket on its liftoff carrying Deep Impact. (1min 43sec file)
 PLAY VIDEO

     
Pre-launch activities
Cape arrival
NASA's Deep Impact comet spacecraft arrives at the Astrotech Space Operations Facility near Kennedy Space Center to begin final launch preparations for blastoff December 30 aboard a Boeing Delta 2 rocket. (2min 53sec file)
 PLAY VIDEO

Spacecraft campaign
The pre-launch campaign of Deep Impact at Cape Canaveral is presented in this video package with expert narration by a spacecraft team member. (5min 32sec file)
 PLAY VIDEO

     
Rocket preps
Assembly of the Boeing Delta 2 rocket at launch pad 17B and mating of the Deep Impact spacecraft is presented in this video package with expert narration. (6min 12sec file)
 PLAY VIDEO

Tower rollback
The mobile service tower is rolled back from the Boeing Delta 2 rocket, exposing the vehicle at launch pad 17B just before daybreak. (3min 21sec file)
 PLAY VIDEO

     
News conferences on eve of launch
Launch briefing
The pre-launch news conference for Deep Impact is held at Kennedy Space Center on Jan. 11 to preview liftoff of this comet mission aboard a Boeing Delta 2 rocket. (43min 35sec file)
 Play video:
Dial-up | Broadband  Download audio:
For iPod | MP3

Comet science
On the day before Deep Impact's launch, mission scientists hold a news conference at Kennedy Space Center to discuss the comet-smashing project. (35min 17sec file)
 Play video:
Dial-up | Broadband  Download audio:
For iPod | MP3

     
Introducing Deep Impact
Mission overview
Rick Grammier, NASA's Deep Impact project manager from the Jet Propulsion Laboratory, provides a detailed overview of the spacecraft and its mission. (4min 54sec file)
 PLAY

Science preview
Deep Impact principal investigator Michael A'Hearn explains how the comet collision will occur and what scientists hope to learn. (7min 11sec file)
 PLAY VIDEO

     
Pre-flight news briefing
The pre-flight news conference is held at NASA Headquarters on December 14 to preview the Deep Impact mission to intercept a comet and blast a projectile into it. (54min 19sec file)
 PLAY


     
Columbia Report
A reproduction of the official accident investigation report into the loss of the space shuttle Columbia and its crew of seven.
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Apollo 14 DVD
In January of 1971, Apollo 14 launched on an ambitious mission to land in the Fra Mauro highlands, a region of the moon more challenging than previous explorations. The flight captured in this DVD set.
 Choose your store:
U.S.

Apollo 11 Mission Report
Apollo 11 - The NASA Mission Reports Vol. 3 is the first comprehensive study of man's first mission to another world is revealed in all of its startling complexity. Includes DVD!
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STS-115 patch
The official crew patch for the STS-115 mission of space shuttle Atlantis to resume orbital construction of the International Space Station.
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