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・ Pillow Fight League
・ Pillow Flying Artillery
・ Pillow Head Hour
・ Pillai's arithmetical function
・ Pillai's Institute of Information Technology Engineering, Media Studies & Research
・ Pillaia
・ Pillaikkaga
・ Pillaiyar Theru Kadaisi Veedu
・ Pillaiyarkuppam, Bahour
・ Pillaiyarmatham
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・ Pillalamarri
・ Pillalu Diddina Kapuram
・ Pillan
Pillan Patera
・ Pillanallur
・ Pillangó utca (Budapest Metro)
・ Pillankuli
・ Pillanleufú River
・ Pillans v Van Mierop
・ Pillansia
・ Pillapalu
・ Pillar (band)
・ Pillar (car)
・ Pillar (disambiguation)
・ Pillar (Lake District)
・ Pillar (video game)
・ Pillar box
・ Pillar Box War


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Pillan Patera : ウィキペディア英語版
Pillan Patera

Pillan Patera is a patera, or a complex crater with scalloped edges, on Jupiter's moon Io. It is located at , south of Pillan Mons and west of Reiden Patera. It is named after the Araucanian thunder, fire, and volcano god. Its name was approved by the International Astronomical Union in 1997.〔(【引用サイトリンク】 work=lnfm1.sai.msu.su )〕〔(【引用サイトリンク】 work=USGS Gazetteer of Planetary Nomenclature Feature Information )〕〔''NASA World Wind'' 1.4. NASA Ames Research Center, 2007.〕
Pillan Patera is approximately 73 kilometers in diameter.〔 In the summer of 1997, it erupted in an event now defined as "Pillanian" eruption style. At temperatures higher than 1,600 °C, (2912 °F) a 140 kilometer high plume eruption deposited dark pyroclastic materials rich in orthopyroxene over an area greater than 125,000 km2. This was followed by the emplacement of over 3,100 km2 in dark flow-like material north of the caldera. The high temperature part of the eruption lasted from 52 to 167 days and between May and September 1997, with peak eruption temperatures around June 28, 1997.〔(【引用サイトリンク】 work=JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 106, NO. E12, PAGES 33,105–33,120, 2001 )
The 1997 eruption was the largest effusive eruption ever witnessed. During a 100 day period, at least 31 km3 of lava were erupted, with 25 km3 shortly afterward. The eruption sheds light on emplacement of very large, voluminous flows millions of years ago on Mars and Earth. The highest effusion rates exceeded 10,000 cubic meters per second.〔(【引用サイトリンク】 work=American Astronomical Society, DPS meeting #38, #30.03; Bulletin of the American Astronomical Society, Vol. 38, p.538 )〕 The eruption produced a large, dark, deposit, 400 kilometers in diameter, which surrounds Pillan and partially covers a bright red ring left by the volcano Pele's plume. Since the eruption, the Pillan plume deposit has faded, coated by material from Pele and Kami-Nari Patera, a small volcano to the east of Pillan Patera.〔(【引用サイトリンク】 work=pirlwww.lpl.arizona.edu )
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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