“That’s really surprising,” said Curiosity’s deputy project scientist, Abigail Fraeman of JPL. “These calcium sulfate veins used to be everywhere, but they more or less disappeared as we climbed higher up Mount Sharp. The team is excited to figure out why they’ve returned now.”
New Terrain, New Findings
, Curiosity set out to learn about the unique composition of the bedrock in this area, using the drill on the end of its robotic arm to snag a sample of a rock nicknamed “Altadena.” The rover then dropped the pulverized sample into instruments within its body for more detailed analysis.
Drilling additional samples from more distant boxwork patterns, where the mineral ridges are much larger, will help the mission make sense of what they find. The team will also search for and other evidence of an ancient habitable environment preserved in the cemented ridges.
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As Curiosity continues to explore, it will be leaving a new assortment of behind, as well. To keep track of features on the planet, the mission applies nicknames to each spot the rover studies, from hills it views with its cameras to specific calcium sulfate veins it zaps with its laser. (Official names, such as Aeolis Mons — otherwise known as Mount Sharp — are approved by the International Astronomical Union.)
The previous names were selected from local sites in Southern California, where JPL is based. The Altadena sample, for instance, bears the name of a community near JPL that was severely burned during January’s . Now on a new part of their Martian map, the team is selecting names from around Bolivia’s Salar de Uyuni, Earth’s largest salt flat. This exceptionally dry terrain crosses into Chile’s Atacama Desert, and astrobiologists study both the salt flat and the surrounding desert because of their similarity to Mars’ extreme dryness.
More About Curiosity
Curiosity was built by NASA’s Jet Propulsion Laboratory, which is managed by Caltech in Pasadena, California. JPL leads the mission on behalf of NASA’s Science Mission Directorate in Washington as part of NASA’s Mars Exploration Program portfolio.
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For more about Curiosity, visit:
Feed By Today and Features – NASA's Jet Propulsion Laboratory
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