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・ Holmenkollen Ski Museum
・ Holmenkollen Skimaraton
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・ Holmer
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Holmes (crater)
・ Holmes (given name)
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・ HOLMES 2
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・ Holmes Beach, Florida
・ Holmes Beckwith
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・ Holmes Chapel railway station


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Holmes (crater) : ウィキペディア英語版
Holmes (crater)
Holmes Crater is an impact crater in the Mare Australe quadrangle of Mars, located at 75.0°S latitude and 293.2°W longitude. It is 122.0  km in diameter and was named after Arthur Holmes, and the name was approved in 1973 by the International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN).〔(【引用サイトリンク】title=Google Mars )

Wikiholmeseast.jpg|East side of Holmes (crater), as seen by CTX camera (on Mars Reconnaissance Orbiter).

==Why craters are important==
The density of impact craters is used to determine the surface ages of Mars and other solar system bodies.〔(【引用サイトリンク】title=Stones, Wind, and Ice: A Guide to Martian Impact Craters )〕 The older the surface, the more craters present. Crater shapes can reveal the presence of ground ice.

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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