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.
Luna 1 Luna 1, also known as Mechta (Russian: "Мечта" , "lit.": "Dream"), E-1 No.4 and "First Lunar Rover ", was the first spacecraft to reach the vicinity of the Earth's Moon, and the first spacecraft to be placed in heliocentric orbit. Intended as an impactor, "Luna 1" was launched as part of the Soviet Luna programme in 1959, however due to an incorrectly timed upper stage burn during its launch, it missed the Moon, in the process becoming the first spacecraft to leave geocentric orbit.