I like astronomy, archaeology, photography, music and drinking a lot of tea. I hate politics. Something that annoys me: that I shall not respect the permanence, and to take me by what I'm not. The best sign: VIRGO. The worst: the health. The best: adapt and know how to get ahead. FIRST BLOG: esplaobs.blogspot.com, SECOND BLOG: esplaobs02.blogspot.com, RETRO BLOG: esplaobs01.blogspot.com, YOUTUBE CHANNELS: esplaobs, esplaobs. ext02. Instagram: esplaobsrosario. Welcome to my BLOGs !
Wednesday, October 5, 2016
A CRUMBLING LAYERED BUTTE ON MARS Image Credit: NASA, JPL-Caltech, MSSS; Compilation & Processing : Kenneth Kremer, Marco Di Lorenzo
What is this unusual mound on Mars? NASA's Curiosity rover rolling across Mars has come across a group of these mounds that NASA has labelled Murray Buttes. Pictured is a recently assembled mosaic image of one of the last of the buttes passed by Curiosity on its way up Mt. Sharp -- but also one of the most visually spectacular. Ancient water-deposited layers in relatively dense -- but now dried-out and crumbling -- windblown sandstone tops the 15-meter tall structure. The rim of Gale crater is visible in the distance. Curiosity continues to accumulate clues about how Mars changed from a planet with areas wet and hospitable to microbial life to the dry, barren, rusted landscape seen today.
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