Brightness Rhythm of Mars Flyby Comet Is Clue to Rotation Rate
This graph shows changes in apparent brightness of comet C/2013 A1 Siding Spring as it approached and receded from Mars, as seen by the HiRISE camera on NASA Mars Reconnaissance Orbiter. The pattern suggests the comet rotates once every eight hours.
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Details
NASA ID
PIA18862
Date Created
November 7, 2014
Center
JPL
Media Type
image
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