Cassini’s view of Dione & Tethys on April 4, 2015 April 8, 2015 Door Observeren Space Delen: Cassini captured this image of Dione and Tethys on April 4, 2015 met de CL1 en CL2 filters. Below is a vine that uses several images that Cassini captured. The vine shows Dione near the center, with Tethys passing behind the south pole of Dione. Delen: