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Gish Bar Patera is a patera, or a complex crater with scalloped edges, on Jupiter's moon Io. It is 106.3 by 115.0 kilometers and 9,600 km2 in area. It is located at 16.18°N 90.26°W / 16.18; -90.26.[1] It is named after the Babylonian sun god Gish Bar. Its name was approved by the International Astronomical Union in 1997.[1] It is located at the southern base of Gish Bar Mons, an 11-kilometer-high mountain. To the northeast is Skythia Mons, and to the east is Monan Mons, at the north and south ends of which are Monan Patera and Ah Peku Patera.[2]

Highest-resolution image of Gish Bar Patera, acquired by Galileo during an encounter with Io in October 2001
Highest-resolution image of Gish Bar Patera, acquired by Galileo during an encounter with Io in October 2001

The NASA spacecraft Galileo has detected volcanic activity in Gish Bar Patera's past, particularly in 1996, and a new eruption was detected by Galileo's near-infrared mapping spectrometer in August 2001.[3] The western section of the patera is mostly green, with a few bright spots, whereas the eastern section is mostly orange. The active northwestern region of Gish Bar Patera has a mottled floor from several eruptions. The patera's flows may be composed of silicates.[4]


References


Wikimedia Commons has media related to Gish Bar Patera.
  1. "Gish Bar Patera". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
  2. NASA World Wind 1.4. NASA Ames Research Center, 2007.
  3. "Recent Eruption at Gish Bar Patera on Io". pirlwww.lpl.arizona.edu. Archived from the original on November 11, 2007. Retrieved October 20, 2007.
  4. "Gish Bar Patera, Io: geology and volcanic activity, 1996–2001" (PDF). www.lpi.usra.edu. Retrieved October 20, 2007.

На других языках

- [en] Gish Bar Patera

[ru] Патера Гиш Бар

Гиш Бар — патера, или кратер сложной формы с изрезанными краями, на спутнике Юпитера Ио, диаметром 117 км. Названа по имени бога солнца Гиш Бара из вавилонской мифологии, название одобрено Международным астрономическим союзом в 1997 году[1].


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