By Michael F. A’Hearn, Michael J. S. Belton (auth.), Christopher T. Russell (eds.)

Deep impression, or at the least a part of the flight process, is designed to crash into comet 9P/Tempel 1. This daring undertaking layout allows cometary researchers to look into the cometary nucleus, interpreting the fabric excavated with its imagers and spectrometers. The e-book describes the challenge, its pursuits, anticipated effects, payload, and information items in articles written via these such a lot heavily concerned. This project has the possibility of revolutionizing our realizing of the cometary nucleus.

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Extra info for Deep Impact Mission: Looking Beneath the Surface of a Cometary Nucleus

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PLAYBACK P HASE The playback phase begins one day after impact and continues to the end of mission at E+30 days (3 Aug 05). Completing the primary mission, this phase provides time to complete redundant playbacks of data stored during the encounter, to characterize the flyby spacecraft health after the encounter (including dust particle damage), and to leave the spacecraft in a known final configuration. Additionally, periodic lookback imaging of the comet is planned until 60 h after closest approach.

The Deep Impact mission design evolved in a close partnership with the members of the Science Team and engineers at Ball Aerospace and Technologies Corp. and the Jet Propulsion Laboratory. At JPL, trajectory studies for the Deep Impact mission have been supported by Jennie Johannesen, Joan Pojman, Chen-wan Yen, Louis D’Amario, and Paul Penzo; and important launch vehicle studies have been supported by Greg Fruth and Jeff Tooley of the Aerospace Corp. Navigation studies were conducted by Ram Bhat, John Bordi, Raymond Frauenholz, Daniel Kubitschek, Nick Mastrodemos, George Null, Mark Ryne, and Stephen Synnott.

The flyby spacecraft configuration and dust 34 W. H. BLUME Figure 5. Arrival date trade space between launch energy for the optimal launch date and approach phase angle. The 4 July encounter date was selected to allow a massive impactor (originally 500 kg) with adequate margin for developing the flight hardware within the launch vehicle capability. Figure 6. The flight path of the Deep Impact flyby spacecraft and impactor approaching the comet nucleus, as viewed from the Sun. The flyby spacecraft trajectory is targeted “below” the nucleus at a distance of 500 km to cross the comet’s orbital plane after the closest approach.

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