Comparing Tethys to views of Ceres
![Comparing Tethys to views of Ceres](https://planetary.s3.amazonaws.com/web/assets/pictures/_768x437_crop_center-center_82_line/20150202_Size_of_Ceres_Tethys.jpg 768w, https://planetary.s3.amazonaws.com/web/assets/pictures/_576x327_crop_center-center_82_line/20150202_Size_of_Ceres_Tethys.jpg 576w)
The great tectonic trench Ithaca Chasma would be visible in the 12-Feb images, and possibly on the 3rd. The large impact basin Odysseus is the large circular feature in the 19-Feb scaled image, but it is interesting that even thigh more than 8 kilometers deep, it does not convey a sense of enormous depth in these views. NASA / JPL-Caltech / SSI (composite by Paul Schenk)