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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Profile picture for user Jesse Rogerson
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.