Tag Archives: breccia

‘Black Beauty’ zircons record ancient Mars climate

Was Mars — now a cold, dry place — once a warm, wet planet that sustained life? And if so, how long has it been cold and dry? … By analyzing the chemical clues locked inside an ancient Martian meteorite … Continue reading

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HiRISE: Big block of red bedrock

This image covers a 26-kilometer-wide impact crater northeast of the Hellas impact basin. The crater exposes large blocks of bedrock (called “megabreccia”) in both the central uplift and in the walls of the crater. The enhanced-color subimage from the wall … Continue reading

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“Black Beauty” Mars meteorite unique

It’s young, it has been shattered and naturally recemented, and it’s about ten times richer in water than any other Mars meteorite. And if the scientists who studied it are right, it’s the also first meteorite to come from the … Continue reading

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Mars Rover Opportunity explores Cape York

Mars Exploration Rover Opportunity reached the south end of Cape York, a segment of the rim of Endeavour Crater about 700 meters (2,300 feet) long, on August 9, 2011. Scientists and engineers examined several targets there before driving the rover … Continue reading

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