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The spire in Eberswalde crater

10 Oct 2016, 16:11 UTC
The spire in Eberswalde crater NASA/JPL/Univ. of Arizona
(200 words excerpt, click title or image to see full post)

A Piece of Mars: OK, you have to bring out the red/blue glasses for this one. (Or click here if you’re missing your glasses and want the black and white version.) Eberswalde crater has some lovely layered deposits, long ago laid down by running water, and since eroded steadily by the wind. The wind leaves behind the most resistant parts (mainly fluvial channels that were more cemented). The center of this image shows a tall spire: the tallest of the flat layers (top of the “wedding cake”) is 290 m (950 ft) across and casts a shadow indicating it’s 200 m (656 ft) above the next layer down. That central spike is another 70 m (230 ft) taller yet, by itself nearly rivaling the “Totem Pole” in Monument Valley. Check out the rest of the red/blue anaglyph, it’s stunning. (HiRISE, ESP_047185_1560/ESP_047119_1560, NASA/JPL/Univ. of Arizona)

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