The Dark Chasm of Tethys

3 m
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
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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. A trained and practicing astrophysicist, Jesse holds a PhD in observational astrophysics from York University, and publishes his research in peer-reviewed journals. Jesse enjoys riding his motorcycle, board games, and ultimate frisbee.