File:Mib color1 rgbstretch-B011R1 br.jpg
Mib_color1_rgbstretch-B011R1_br.jpg (500 × 502 pixels, file size: 137 KB, MIME type: image/jpeg)
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[edit]DescriptionMib color1 rgbstretch-B011R1 br.jpg |
English: Martian spherules on the ground as seen by the rover Opportunity.
This magnified look at the martian soil near the Mars Exploration Rover Opportunity's landing site, Meridiani Planum, shows coarse grains sprinkled over a fine layer of sand. The image was captured on the 10th day, or sol, of the rover's mission by its microscopic imager, located on the instrument deployment device, or "arm." Scientists are intrigued by the spherical rocks, which can be formed by a variety of geologic processes, including cooling of molten lava droplets and accretion of concentric layers of material around a particle or "seed." The examined patch of soil is 3 centimeters (1.2 inches) across. The circular grain in the lower left corner is approximately 3 millimeters (.12 inches) across, or about the size of a sunflower seed. This stretched color composite was obtained by merging images acquired with the orange-tinted dust cover in both its open and closed positions. The varying hints of orange suggest differences in mineral composition. The blue tint at the lower right corner is a tag used by scientists to indicate that the dust cover is closed.Русский: Марсианские шарики на земле глазами марсохода Opportunity.
На этом увеличенном изображении марсианского грунта возле места посадки марсохода Opportunity, Meridiani Planum, видны крупные зерна, разбросанные по тонкому слою песка. Изображение было получено на 10-й день или сол миссии марсохода с помощью его микроскопического формирователя изображения, расположенного на устройстве развертывания инструмента или «руке». Ученые заинтригованы сферическими породами, которые могут образоваться в результате различных геологических процессов, включая охлаждение капель расплавленной лавы и аккрецию концентрических слоев материала вокруг частицы или «семени». Исследуемый участок почвы имеет диаметр 3 см. Круглое зерно в левом нижнем углу составляет примерно 3 мм в поперечнике, или размером с семя подсолнуха. Этот растянутый цветной композит был получен путем объединения изображений, полученных с пылезащитным чехлом оранжевого цвета в открытом и закрытом положениях. Различные оттенки апельсина предполагают различия в минеральном составе. Синий оттенок в правом нижнем углу — это метка, используемая учеными для обозначения того, что пылезащитная крышка закрыта. |
Source | http://marsrovers.jpl.nasa.gov/gallery/press/opportunity/20040204a/mib_color1_rgbstretch-B011R1_br.jpg |
Author | NASA/JPL/USGS |
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[edit]- 2004-02-13 22:34 Sennheiser 500×502× (139838 bytes)
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