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Deep Impact
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Deep Impact Mission Science Technology Mission Results Gallery Education Discovery Zone Your Community Press Science - Results (non-Flash version)

Impact Dynamics

one of the very lookback images showing Tempel 1 in silhouette
Jim Richardson

Jim Richardson
Science Team Member

Cornell University, Department of Astronomy
Ithaca, NY

Jim calculated the density of the comet by measuring the expansion of the ejecta cloud over time from the look-back images.

Learn more about impact cratering on Jim's blog Explorations in Impact Cratering.

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