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
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Jesse Rogerson, PhD

Jesse is a passionate scientist, educator, and science communicator. As an assistant professor at York University in the Department of Science, Technology, and Society, he teaches three classes: History of Astronomy, Introduction to Astronomy, and Exploring the Solar System. He frequently collaborates with the Canada Aviation and Space Museum, and lends his expert voice to the Ingenium Channel. Jesse is an astrophysicist, and his research explores how super massive black holes evolve through time. Whether in the classroom, through social media, or on TV, he encourages conversations about how science and society intersect, and why science is relevant in our daily lives.