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Tag Archives: Spirit
Lava flows resurfaced crater lakes after water was gone
Fire and water didn’t mix when it came to resurfacing basins that lie along Martian fluvial valley networks. A study of some 30 open-basin lakes (paleolakes) with floors covered by lava flows has concluded that at least these basins were … Continue reading
Posted in Reports
Tagged CRISM, CTX, Gusev Crater, HiRISE, HRSC, lava flows, Mars Exploration Rovers, OMEGA, open-basin lakes, paleolakes, Spirit, TES, THEMIS
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Not-so-everlasting hills
When the Mars Exploration Rover Spirit reached the top of Husband Hill in the Columbia Hills of Gusev Crater on August 22, 2005, it stood 107 meters (351 feet) above its landing site. Yet if recent work is right, the … Continue reading
Posted in Reports
Tagged Columbia Hills, Gusev Crater, HiRISE, Husband Hill, Mars Exploration Rovers, MER, Navcam, Pancam, Spirit
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Home Plate’s volcanic bomb landed with a splat
One of the unusual features that Mars Exploration Rover Spirit discovered at Home Plate, a former hydrothermal vent in the Columbia Hills, was a “bomb sag,” complete with its partially embedded volcanic bomb. To geologists, volcanic bombs are rocks or … Continue reading
Posted in Reports
Tagged atmosphere, bomb sag, climate, climate change, Home Plate, hot springs, Mars Exploration Rovers, Spirit, water
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Commemorating Mars Exploration Rover Spirit
The cast and crew of scientists and engineers who designed, built, and operated the Mars rover Spirit for its 2,210 days in Gusev Crater held a commemoration and celebration for the rover at its birthplace, the Jet Propulsion Laboratory, on … Continue reading
Posted in Reports
Tagged Gusev Crater, Home Plate, hot springs, Mars Exploration Rovers, MER, silica, Spirit
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Home Plate: Worth a second visit?
In Gusev Crater’s Columbia Hills, explored by the Mars Exploration Rover Spirit, a low plateau about 100 yards wide dubbed Home Plate has turned out to be a Pretty Big Deal. Although a deep bed of soft sand on its … Continue reading
Posted in Reports
Tagged geysers, Gusev Crater, Home Plate, hot springs, Mars Exploration Rovers, MER, silica, Spirit
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