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Tag Archives: volcano
Polar Opposites
As we all know, the furthest south you can travel is to the South Pole – the Geographic South Pole, not the Magnetic South Pole or the Geomagnetic South Pole. When you get there, try to face east if you … Continue reading
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Tagged antarctica, day/night band, I-4, volcano
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Bárðarbunga, the Toxic Tourist Trap
Quick: what was the name of that Icelandic volcano that caused such a stir a few years ago? Oh, that’s right. You don’t remember. No one remembers. (Unless you live outside the U.S. in a place where you might have … Continue reading
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Tagged ash detection, dust, Fire Temperature RGB, ice and snow, Iceland, Landsat, M-10, M-11, M-12, M-13, M-14, M-15, M-16, M-4, M-5, M-7, sulfur dioxide, volcano
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Investigating Mysteries of the Deep, Dark Night
Conspiracy theorists will tell you that conspiracies exist everywhere; that they’re part of daily life; and that most people are ignorant of all the attempts by various governments around the world to covertly control every facet of your life. Only … Continue reading
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Tagged airglow, Alaska, clouds, day/night band, Japan, M-12, M-15, night lights, Pacific, Russia, ships, volcano
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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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The Case of the 100-year-old Ash Cloud
Lost in all the commotion caused by Hurricane Sandy, a curious event occurred on the other side of the country on 30 October 2012. A cloud of ash obscured the skies of Kodiak Island, Alaska, diverting flights in the region … Continue reading
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Tagged Alaska, ash detection, false color, M-10, M-12, M-14, M-15, M-16, M-3, M-4, M-5, M-6, M-7, RGB composite, split window difference, true color, volcano
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Popocatépetl, the Smoking Mountain
According to legend, Popocatépetl was a great warrior whose girlfriend, Iztaccíhuatl, died because her father was a jerk who lied. (An alternate story is that it was a rival warrior who was a jerk who lied.) Either way, Iztaccíhuatl was … Continue reading
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Tagged ash detection, day/night band, false color, GOES, I-1, I-4, I-5, mexico, RGB composite, VIIRS, volcano
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