Comet Lovejoy's Massive Ion Tail

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Comet Lovejoy with a bright green nucleus and long white, whispy cometary tail.
A composite image of Comet Lovejoy (image credit: Fritz Helmut Hemmerich)

This image taken by Fritz Helmut Hemmerich captures Comet Lovejoy in all its brilliance. Discovered only in March by Terry Lovejoy, and just finished making its closest approach to the Sun two days ago. Now it's on its long journey back to the outer solar system.

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Comet Lovejoy's Massive Ion Tail
Astronomy Picture of the Day
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Jesse Rogerson, PhD

As a passionate science communicator, Jesse Rogerson loves promoting science literacy to the public. He frequently represents the Canada Aviation and Space Museum on television and radio, social media, and at conferences. He co-developed a science communication workshop for Canadian science professionals, to instruct them in more effective methods of communicating their science. A trained and practicing astrophysicist, Jesse holds a PhD in observational astrophysics from York University, and recently published a peer-reviewed paper in The Astrophysical Journal. Jesse enjoys riding his motorcycle, board games, and ultimate frisbee.