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Noachis Terra (lit. "Land of Noah") is an extensive southern landmass (''terra'') of the planet Mars. It lies west of the giant Hellas impact basin, roughly between the latitudes −20° and −80° and longitudes 30° west and 30° east, centered on . It is in the Noachis quadrangle. The term "Noachian epoch" is derived from this region. Wikimolaargyre.jpg|MOLA map showing boundaries with other regions Wikimolasouthpole.jpg|MOLA map showing boundaries with other regions around the south pole of Mars Image:Exhumed crater in Noachis.JPG|Crater that was buried in another age and is now being exposed by erosion, as seen by the Mars Global Surveyor, under the MOC Public Targeting Program. Image:24396floor.jpg|Floor of crater in Noachis quadrangle, as seen by HiRISE under HiWish program. ESP 035632 1490noachiscraterfloor.jpg|Erosion forms on floor of crater, as seen by HiRISE under HiWish program WikidarkdunesS0101212context.jpg|Context for image of dark dunes in next image. Picture taken with Mars Global surveyor under MOC Public Targeting Program. Image:Dark dunes in Noachis.JPG|Dark dunes (probably basalt), in an intracrater dune field, Noachis. Picture from Mars Global Surveyor, under the MOC Public Targeting Program. ESP 040974 1395gullies.jpg|Wide view of gullies in Arkhangelsky Crater, as seen by HiRISE under HiWish program 40974 1395gullies.jpg|Close-up of small channels in gullies in Arkhangelsky Crater, as seen by HiRISE under HiWish program Patterned ground in the shape of polygons can be seen to the right. Note: this is an enlargement of the previous image from Arkhangelsky Crater. 40974 1395gully.jpg|Close-up of a gully showing a channel going across the apron, as seen by HiRISE under HiWish program. Note: this is an enlargement of a previous image from Arkhangelsky Crater. ==Recommended reading== *Lorenz, R. 2014. The Dune Whisperers. The Planetary Report: 34, 1, 8-14 *Lorenz, R., J. Zimbelman. 2014. Dune Worlds: How Windblown Sand Shapes Planetary Landscapes. Springer Praxis Books / Geophysical Sciences. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Noachis Terra」の詳細全文を読む スポンサード リンク
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