Cassini’s view of Dione & Tethys on April 4, 2015 4月 8, 2015 バイ スペースを観察する 共有: Cassini captured this image of Dione and Tethys on April 4, 2015 そのCL1とCL2のフィルタを使用して. 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. 共有: