In which year was the moon, on which the volcanic feature Reiden Patera is located, discovered ?
Reiden Patera Reiden Patera is a volcanic feature on Jupiter's moon Io. It was first detected by the "Galileo" SSI Team during the spacecraft Galileo's first orbit around Jupiter, initially detected as a hotspot. It was once thought that the activity there had stopped or waned below the limits of the spacecraft's Solid State Imager or Near-Infrared Mapping Spectrometer. However, it was noticed in 2002 that Reiden Patera has darkened considerably since the 24th orbit of "Galileo". It has been spouting bright red pyroclastic deposits of its own. It is located at and is 70 kilometers in diameter. It is named after a Japanese thunder god ("Raijin" in current English nomenclature). Asha Patera can be found to the east, and Kami-Nari Patera can be found to the north.
Selenography Selenography is the study of the surface and physical features of the Moon. Historically, the principal concern of selenographists was the mapping and naming of the lunar maria, craters, mountain ranges, and other various features. This task was largely finished when high resolution images of the near and far sides of the Moon were obtained by orbiting spacecraft during the early space era. Nevertheless, some regions of the Moon remain poorly imaged (especially near the poles) and the exact locations of many features (like crater depths) are uncertain by several kilometers. Today, selenography is considered to be a subdiscipline of selenology, which itself is most often referred to as simply "lunar science." The word selenography is derived from the Greek lunar deity Σελήνη "Selene" and γράφω graphō, "I write".