The Dark Chasm of Tethys

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An image of Tethys, a moon of Saturn, taken by the Cassini spacecraft
Tethys, a moon of Saturn (image credit: NASA/JPL).

The NASA/ESA Mission to Saturn, the Cassini-Huygens spacecraft, snapped this shot of the moon Tethys, a 1000 km wide moon of Saturn. Featured in the lower right is Ithaca Chasm. This canyon is about 100 km wide and 2000 km long; it stretches nearly 75% around the moon itself.

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The Dark Chasm of Tethys
NASA
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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.