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They have discovered it started retreating rapidly in the 1940s, according to a new study that provides an alarming insight into future melting. The Thwaites Glacier in West Antarctica is the world’s widest and roughly the size of Florida. “Once an ice sheet retreat is set in motion it can continue for decades, even if what started it gets no worse,” he told CNN. While similar retreats have happened much further back in the past, the ice sheet recovered and regrew, Smith said. “Further events arising more from the warming climate trend took things further, and started the widespread retreat we’re seeing today,” he told CNN.
Persons: Antarctica’s, Thwaites, Joshua Stevens, Julia Wellner, that’s, ” Wellner, you’re, James Smith, , , Smith, ” Thwaites, Jeremy Harbeck, NASA Ted Scambos, Martin Truffer, Truffer, Organizations: CNN —, National Academy of Sciences, El, West, NASA, Observatory, University of Houston, CNN, British Antarctic Survey, University of Colorado Boulder, University of Alaska Locations: West Antarctica, Florida, Pine, Antarctica, University of Alaska Fairbanks,
Tectonic plates under the Americas, Europe, and Africa are separating as the Atlantic Ocean grows wider. The tectonic plates undergirding the Americas are separating from those beneath Europe and Africa. Fragmented into tectonic plates, the Earth's crust fits together like a puzzle. Seafloor spreading, which occurs at divergent tectonic plates that are pulling apart like the MAR, is another. AdvertisementAdvertisementSolving a geological mysteryOne of the remote seismometers deployed by University of Southampton scientists in the Atlantic Ocean.
Persons: Joshua Stevens, Matthew Aguis, Agius, Catherine Rychert, Rychert Organizations: Service, NASA, University of Southampton, Roma Tre University, Ocean . University of Southampton Locations: Americas, Europe, Africa, Wall, Silicon, Sandwell, Iceland, Hawaii, Yellowstone
In 2021, geologists animated a video that shows how Earth's tectonic plates moved over the last billion years. But in 2021 a group of geologists offered up an easily digestible peek at 1 billion years of plate tectonic motion. Building a better model of Earth's platesThe Earth's plates move in a variety of ways and can cause earthquakes, mountains, and canyons. The top layer — between 5 and 50 miles thick — is the crust, which is fragmented into tectonic plates that fit together. The jigsaw puzzle of Earth's continents hasn't stopped shifting, of course.
Persons: Sabin Zahirovic, Pangea, Joshua Stevens, Dietmar Müller Organizations: Service, University of Sydney, U.S . Geological Survey, Geologists, NASA Locations: Antarctica, U.S, Sandwell, Africa, Europe
"At the beginning of the war, the whole country went dark at night," German astronaut Matthias Maurer said in May, adding, "People actually only recognized Kyiv." Kyiv, Ukraine, as seen by satellite in January 2022, left, and March 2022, right. NASA Earth Observatory/Joshua Stevens/Black Marble data courtesy of Ranjay Shrestha/NASA Goddard Space Flight CenterThat's what he told German broadcaster ARD's "Morgenmagazin" program, according to a translation in Newsweek. "Then you could also see the impacts in the first days of the war. In Kyiv, you could see lightning at night," as well as the "rockets that hit," he added, according to Newsweek.
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