File:NASA Curiosity rover - Link to a Watery Past (692149main Williams-2pia16188-43).jpg

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Русский: Фотографии с поверхности Марса содержат скалистую породу, состоящую из гальки и песка.

По утверждению НАСА, размер и округлая форма камней свидетельствуют о том, что они были принесены именно водой.

По виду гальки специалисты НАСА установили, что ручей тек со скоростью 0,9 метра в секунду, а его глубина составляла в среднем около полуметра.
English: In this image from NASA's Curiosity rover, a rock outcrop called Link pops out from a Martian surface that is elsewhere blanketed by reddish-brown dust. The fractured Link outcrop has blocks of exposed, clean surfaces. Rounded gravel fragments, or clasts, up to a couple inches (few centimeters) in size are in a matrix of white material. Many gravel-sized rocks have eroded out of the outcrop onto the surface, particularly in the left portion of the frame. The outcrop characteristics are consistent with a sedimentary conglomerate, or a rock that was formed by the deposition of water and is composed of many smaller rounded rocks cemented together. Water transport is the only process capable of producing the rounded shape of clasts of this size.
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Połączenie z wodnistą przeszłością

Na zdjęciu tym, wykonanym przez kamerę łazika NASA Curiosity z powierzchni Marsa wynurza się odkrywka skalna, pokryta tu i ówdzie płaszczem rdzawego pyłu. Odkrywka zawiera bloki odkrytych czystych powierzchni. Zaokrąglone fragmenty żwiru, wielkością dochodzące do kilka centymetrów znajdują się w macierzy białego materiału. Wiele skał wielkości żwiru, zwłaszcza w lewej części obrazu wyerodowały z wychodni na powierzchnię. Charakterystyka wychodni jest zgodna z osadowym konglomeratem, lub skałą, która powstała w wyniku osadzania się wody i składa się z wielu mniejszych owalnych skał scementowanych razem. Transport wody jest jedynym procesem zdolnym kształtować tak zaokrąglone skały o tych wymiarach.

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Source Link to a Watery Past
Author NASA/JPL-Caltech/MSSS

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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