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Comet 168P Hergenrother on October 5, 2012.

Adam Block/Mount Lemmon SkyCenter/University of Arizona, CC BY-SA 3.0, via Wikimedia Commons.

#comet

Comet 168P Hergenrother on October 5, 2012. Adam Block/Mount Lemmon SkyCenter/University of Arizona, CC BY-SA 3.0, via Wikimedia Commons.
#Comet

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