On this day: 17 September 1789, Sir William Herschel (1738-1822), the German-born British astronomer, discovered Mimas, the seventh largest of the moons of Saturn and the seventh in the order of orbit. The first pictures of Mimas were made during the Voyager missions to the outer Solar System. The international #Cassini mission made several close approaches, sending back detailed images of this mysterious moon. (Pic NASA/JPL/SSI) See: https://en.wikipedia.org/wiki/Mimas_(moon)
On this day: 17 September 1789, Sir William Herschel (1738-1822), the German-born British astronomer, discovered Mimas, the seventh largest of the moons of Saturn and the seventh in the order of orbit. The first pictures of Mimas were made during the Voyager missions to the outer solar system. The international #Cassini mission made several close approaches, sending back detailed images of this mysterious moon. (Pic NASA/JPL/SSI) See: https://en.wikipedia.org/wiki/Mimas_(moon)