Science
NASA says ‘super eruption’ volcanoes on Mars would have blocked out the sun – CNET
Mars was having some serious volcanic temper tantrums about 4 billion years ago.
These craters in Arabia Terra on Mars are filled with rock layers visible as rounded mounds. The image is processed to highlight the geologic formations.
NASA/JPL-Caltech/University of Arizona
This story is part of Welcome to Mars, our series exploring…
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