Khusrau is an

impact crater An impact crater is a circular depression in the surface of a solid astronomical object formed by the hypervelocity impact of a smaller object. In contrast to volcanic craters, which result from explosion or internal collapse, impact craters ...

on the anti-Saturn hemisphere of

Saturn Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter. It is a gas giant with an average radius of about nine and a half times that of Earth. It has only one-eighth the average density of Earth; h ...

's moon

Enceladus Enceladus is the sixth-largest moon of Saturn (19th largest in the Solar System). It is about in diameter, about a tenth of that of Saturn's largest moon, Titan. Enceladus is mostly covered by fresh, clean ice, making it one of the most refl ...

. Khusrau was first observed in '' Cassini'' images during that mission's March 2005 flyby of Enceladus. It is located at 3.8° South

Latitude In geography, latitude is a coordinate that specifies the north– south position of a point on the surface of the Earth or another celestial body. Latitude is given as an angle that ranges from –90° at the south pole to 90° at the north pol ...

, 185.5° West

Longitude Longitude (, ) is a geographic coordinate that specifies the east–west position of a point on the surface of the Earth, or another celestial body. It is an angular measurement, usually expressed in degrees and denoted by the Greek letter l ...

, and is 12.3 kilometers across. Since the crater's formation, numerous criss-crossing fractures cut across the crater, forming canyons several hundred meters deep along the crater's rim. Khusrau is named after

Sassanid The Sasanian () or Sassanid Empire, officially known as the Empire of Iranians (, ) and also referred to by historians as the Neo-Persian Empire, was the last Iranian empire before the early Muslim conquests of the 7th-8th centuries AD. Named ...

ruler

Khosrau II Khosrow II (spelled Chosroes II in classical sources; pal, 𐭧𐭥𐭮𐭫𐭥𐭣𐭩, Husrō), also known as Khosrow Parviz (New Persian: , "Khosrow the Victorious"), is considered to be the last great Sasanian king (shah) of Iran, ruling fr ...

, one of the main characters from " Khusrau and Shirin and the Fisherman", in ''

The Book of One Thousand and One Nights ''One Thousand and One Nights'' ( ar, أَلْفُ لَيْلَةٍ وَلَيْلَةٌ, italic=yes, ) is a collection of Middle Eastern folk tales compiled in Arabic during the Islamic Golden Age. It is often known in English as the ''Arabian ...

''.

References

Impact craters on Enceladus {{Enceladus