Violent eruptions in Mercury's past could hold clues to its formation
Volcanoes on Mercury may have been more explosive than previously anticipated, and they may have erupted more recently, as well.
Volcanoes on Mercury may have been more explosive than previously anticipated, and they may have erupted more recently, as well.
Space Exploration
Oct 13, 2014
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In the unlikely event of a volcanic supereruption at Yellowstone National Park, the northern Rocky Mountains would be blanketed in meters of ash, and millimeters would be deposited as far away as New York City, Los Angeles ...
Earth Sciences
Aug 27, 2014
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Molten rock (or magma) has a strong influence on our planet and its inhabitants, causing destructive volcanic eruptions and generating some of the giant mineral deposits. Our understanding of these phenomena is, however, ...
Earth Sciences
Jul 23, 2014
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Geologists have discovered three previously unrecorded volcanoes in volcanically active southeast Australia.
Earth Sciences
Jun 26, 2014
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Billions of years ago, volcanoes sent material from inside planetary bodies to the surface. Subsequent impacts have covered those original deposits. Jennifer Whitten, who receives her Ph.D. in geological sciences this year, ...
Earth Sciences
May 21, 2014
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Extensive, explosive volcanic eruptions may disrupt a crucial aspect of the global nitrogen cycle, say researchers who have investigated ash deposits on the ocean floor.
Environment
Apr 7, 2014
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Mercury was long thought to be lacking volatile compounds that cause explosive volcanism. That view started to change when the MESSENGER spacecraft returned pictures of pyroclastic deposits—the telltale signature of volcanic ...
Space Exploration
Apr 2, 2014
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Mercury has long been a mystery to scientists. Until recently, knowledge of the planet was limited to the grey, patchy landscape revealed by the Mariner 10 probe, NASA's first mission to Mercury in the mid-1970s.
Space Exploration
Jan 31, 2014
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In January 2011, aboard a scientific drilling ship in the Pacific Ocean, I witnessed an enigmatic green flash before sunrise. This optical phenomenon has been recorded to occur if the conditions are just right – clean, ...
Earth Sciences
Jan 28, 2014
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Some time around 37,000 BCE a massive volcano erupted in the Campanian region of Italy, blanketing much of Europe with ash, stunting plant growth and possibly dooming the Neanderthals. While our prehistoric relatives had ...
Soft Matter
Aug 12, 2013
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