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Tag Archives: weathering
Can melting snow make small holes in Mars rocks?
Many rocks on the surface of Mars show pits and small holes. One way such pits can form is when gas-rich lava erupts; the pits, called “vesicles,” form when gas escapes from the lava as it’s cooling. Wind-driven sand can … Continue reading
Posted in Reports
Tagged Mars Exploration Rovers, Mars Pathfinder, Mars Phoenix, Viking landers, water, weathering
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Meteorites: Keys to bygone Mars climates
The sky falls on Mars, too, just as it does sometimes on Earth. In its long crosscountry drive over the pool table expanse of Meridiani Planum, Mars Exploration Rover Opportunity has encountered more than a dozen meteorites, all of them … Continue reading
Posted in Reports
Tagged Block Island, climate change, Mackinac Island, Mars Exploration Rovers, MER, Meridiani Planum, meteorites, Opportunity, Shelter Island, weathering
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