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Monthly Archives: January 2013
Pumice Rafts: The Floating Rocks of the Sea
Do rocks float? The answer to that is “Depends on which rocks you’re talking about.” We just looked at what happens in the atmosphere when a volcano like Copahue erupts. We also looked at the impact the 1912 eruption of … Continue reading
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Tagged false color, I-1, I-2, I-3, New Zealand, pumice rafts, Raoul Island, resolution, RGB composite, volcano
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Copahue, the Stinky Volcano
On the border between Chile and Argentina sits the volcano Copahue. (If you say it out loud, it is pronounced “CO-pa-hway”.) In the local Mapuche language, copahue means “sulfur water”. This name was given to the volcano as the most … Continue reading
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Tagged Argentina, ash detection, Chile, M-14, M-15, M-16, M-3, M-4, M-5, MODIS, RGB composite, split window difference, true color, VIIRS, volcano
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