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・ Chronology (disambiguation)
・ Chronology (Dom & Roland album)
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Chronology of discoveries of water on Mars
・ Chronology of European exploration of Asia
・ Chronology of events of the Peninsular War
・ Chronology of god video games
・ Chronology of grand strategy video games
・ Chronology of home stadiums for current National Football League teams
・ Chronology of indoor American football video games
・ Chronology of Jesus
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・ Chronology of MUDs
・ Chronology of Nintendo 64 games
・ Chronology of Norwegian railway lines
・ Chronology of Occupy movement raids
・ Chronology of Pakistan's rocket tests


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Chronology of discoveries of water on Mars : ウィキペディア英語版
Chronology of discoveries of water on Mars
Today, interplanetary spacecraft have provided abundant evidence of water on Mars, dating back to the Mariner 9 mission, which arrived at Mars in 1971. This article provides a mission by mission breakdown of the discoveries they have made. For a more comprehensive description of evidence for water on Mars today, and the history of water on that planet, see Water on Mars.
== Mariner 9 ==
Mariner 9 imaging revealed the first direct evidence of water in the form of river beds, canyons (including the Valles Marineris, a system of canyons over about long), evidence of water erosion and deposition, weather fronts, fogs, and more.〔(【引用サイトリンク】title=Mars Exploration: Missions )〕 The findings from the Mariner 9 missions underpinned the later Viking program. The enormous Valles Marineris canyon system is named after Mariner 9 in honor of its achievements.

Image:Scamander Vallis from Mariner9.jpg|Meander in Scamander Vallis, as seen by Mariner 9. Such images implied that large amounts of water once flowed on the surface of Mars.
Image:Warrego Valles from Mariner 9.jpg|Warrego Valles, as seen by Mariner 9. This image suggests that rain/snow was necessary to form this kind of branched network of channels.


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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