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Dark slope streaks are narrow, avalanche-like features common on dust-covered slopes in the equatorial regions of Mars. They form in relatively steep terrain, such as along escarpments and crater walls. Although first recognized in Viking Orbiter images from the late 1970s, dark slope streaks were not studied in detail until higher-resolution images from the Mars Global Surveyor (MGS) and Mars Reconnaissance Orbiter (MRO) spacecraft became available in the late 1990s and 2000s.

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  • Marcas oscuras de talud (es)
  • Dark slope streak (en)
  • 暗坡条纹 (zh)
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  • 暗坡条纹(Dark slope streaks)是一系列狭长的崩塌般特征,常见于火星赤道地区尘埃覆盖的斜坡上。它们形成于相对陡峭的地势,例如悬崖和陨石坑坑壁上。虽然在20世纪70年代末的海盗号轨道飞行器拍摄图像中已被首次发现, 但直到20世纪90年代末和21世纪初的火星全球探勘者号(MGS)和火星勘测轨道飞行器(MRO)提供了更高分辨率的图像,暗坡条纹才开始被进行详细的研究。 产生暗坡条纹的物理作用现在仍不清楚,它们最有可能是陡峭斜坡上松散、细粒的物质崩塌所引起(即粉尘崩塌)。雪崩扰乱并抹去了表面明亮的尘埃层,而暴露出较暗的底下层。水和其他挥发成分在条纹形成中的作用(如果有的话)仍然存在争议。斜坡条纹特别有趣,因为它们是目前在火星上可以观察到的少数仍在活跃的地质现象之一。 (zh)
  • Dark slope streaks are narrow, avalanche-like features common on dust-covered slopes in the equatorial regions of Mars. They form in relatively steep terrain, such as along escarpments and crater walls. Although first recognized in Viking Orbiter images from the late 1970s, dark slope streaks were not studied in detail until higher-resolution images from the Mars Global Surveyor (MGS) and Mars Reconnaissance Orbiter (MRO) spacecraft became available in the late 1990s and 2000s. (en)
  • Las marcas oscuras de talud son unos surcos superficiales característicos de las zonas en pendiente cubiertas de polvo de las regiones ecuatoriales de Marte.​ Son similares a las producidas por los aludes en la Tierra. (es)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Tharsis_Tholus_block.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/23677streaks.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/2764streaks.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/2764streaksclose.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/55107_1930streaks.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/55107_1930streaksclose.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/ESP_054066_1920newstreak.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Pedestaltop22919.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Streaks22919.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Avalanche_Scars_PSP_003239_1870.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Braided_Slope_Streak.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Bright_Slope_Streaks_PIA03587.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Fan-shaped_Streaks_ESP_012410_1835_RED.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Mars_Slope_Streak_M0900039.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Mars_Slope_Streaks_PIA09030.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/New_Streaks_Formed_PIA02379.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Slope_Lineae_PIA14479-43_946-710.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Slope_Streak_Diverting_PIA08672.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Slope_Streak_Dust_Devil.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Slope_Streaks_Crater_PIA11312.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Slope_Streaks_in_Acheron_Fossae_on_Mars.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Streak_Locations_PIA09030.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/PIA22240slopstreaks.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Dark_streaks_in_Diacria.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/PIA17934-MartianSlope-SeasonalDarkFlows-20140210.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/PIA03170_fig1duststroms.jpg
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