![Jason Major on Twitter: "A close look at Mimas' 86-mile (139-km) wide Herschel crater, captured by Cassini on November 19, 2016. https://t.co/b3SJxjQwl5" / Twitter Jason Major on Twitter: "A close look at Mimas' 86-mile (139-km) wide Herschel crater, captured by Cassini on November 19, 2016. https://t.co/b3SJxjQwl5" / Twitter](https://pbs.twimg.com/media/EnOMhPGWMAkpBoW.jpg:large)
Jason Major on Twitter: "A close look at Mimas' 86-mile (139-km) wide Herschel crater, captured by Cassini on November 19, 2016. https://t.co/b3SJxjQwl5" / Twitter
Earth Shaker - MIMAS: Solar System's "Death Star" A long time ago (Sept. 17, 1789), in a planet (Saturn) far, far away, William Herschel discovered one of Saturn's moons, Mimas. It is
![Shadows cast across moon #Mimas' defining feature, Herschel Crater, show the size of the crater's towering… | Cassini spacecraft, Space and astronomy, Saturns moons Shadows cast across moon #Mimas' defining feature, Herschel Crater, show the size of the crater's towering… | Cassini spacecraft, Space and astronomy, Saturns moons](https://i.pinimg.com/originals/e2/0b/90/e20b90a22b14662004cccf8aaf7ea1da.jpg)
Shadows cast across moon #Mimas' defining feature, Herschel Crater, show the size of the crater's towering… | Cassini spacecraft, Space and astronomy, Saturns moons
![natural satellites - Why is there a mountain inside the Herschel crater on Mimas? - Astronomy Stack Exchange natural satellites - Why is there a mountain inside the Herschel crater on Mimas? - Astronomy Stack Exchange](https://i.ytimg.com/vi/zufx28sBhWg/mqdefault.jpg)