impact

Russian Meteor Shockwave Circled Globe Twice

  The 10,000 ton asteroid that exploded above the Russian city of Chelyabinsk in February produced such a powerful shockwave that it raced around the world twice, according to a new study published in the journal Geophysical Research Letters. Researchers report that 20 world-wide monitoring stations, designed to detect ultra-low frequency sound waves emanating from nuclear-test…

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Russian Meteor Shockwave Circled Globe Twice

  The 10,000 ton asteroid that exploded above the Russian city of Chelyabinsk in February produced such a powerful shockwave that it raced around the world twice, according to a new study published in the journal Geophysical Research Letters. Researchers report that 20 world-wide monitoring stations, designed to detect ultra-low frequency sound waves emanating from nuclear-test…

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Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

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Voices director: David Braun (dbraun@ngs.org)

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