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The Bruce Murray Space Image Library

Hartley 2 'snowballs'

Filed under pretty pictures, comets, Deep Impact, comet Hartley 2, animation

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Hartley 2 'snowballs' Several frames from Deep Impact's Medium Resolution Imager near closest approach to comet Hartley 2 on November 4, 2010 show numerous ice-rich particles that were ejected by the comet, several of which can be tracked from frame to frame. The particles themselves are moving relatively slowly (at less than a meter per second); most of the apparent motion results from the many-kilometer-per-second relative speed of the spacecraft. The particles appear to move in different directions and with different speeds because they are at different distances from the spacecraft.

NASA / JPL-Caltech / UMD / Brown University

Original image data dated on or about November 4, 2010.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

 

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