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Earth biosignature
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VLT Rediscovers Life on Earth By observing the Moon using ESO's Very Large Telescope, astronomers have found evidence of life in the Universe - on Earth. Finding life on our home planet may sound like a trivial observation, but the novel approach of an international team may lead to future discoveri...
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Earth's Radiant Energy System Experiment
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NASA Study Solves Case of Earth's 'Missing Energy' Two years ago, scientists at the National Centre for Atmospheric Research in Boulder, Colo., released a study claiming that inconsistencies between satellite observations of Earth's heat and measurements of ocean heating amounted to evidenc...
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George VI Ice Shelf
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Supraglacial lakes Satellite images have revealed a sequence of lakes on top of the George VI ice shelf in Antarctica moving along the boundary of the ice shelf with Alexander Island. It was observed when LaBarbera and MacAyeal analysed satellite images of the George VI ice shelf in Antarctica take...
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Earth Trojans
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Title: An optimal Earth Trojan asteroid search strategy Authors: M. Todd, P. Tanga, D. M. Coward, M. G. Zadnik Trojan asteroids are minor planets that share the orbit of a planet about the Sun and librate around the L4 or L5 Lagrangian points of stability. They are important solar-system fossils bec...
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Topographic Map
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NASA, Japan Release Improved Topographic Map of Earth NASA and Japan released a significantly improved version of the most complete digital topographic map of Earth on Monday, produced with detailed measurements from NASA's Terra spacecraft. The map, known as a global digital elevation model,...
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Nautilus campaign
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Nautilus Live: Real-time access to the discoveries of a deep-water campaign in the Mediterranean An oceanography campaign will conduct the first detailed exploration of little known areas of the western Mediterranean, using remotely-operated vehicles specially designed for deepwater area...
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Coats Land crustal block
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Title: Coats Land crustal block, East Antarctica: A tectonic tracer for Laurentia? Authors: S.L. Loewy, I.W.D. Dalziel, S. Pisarevsky, J.N. Connelly, J. Tait, R.E. Hanson and D. Bullen Undeformed rhyolite and granophyre in the Coats Land crustal block of East Antarctica, dated as 1112 ± 4 Ma, are...
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Zhemchug Canyon
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Zhemchug Canyon is a giant underwater canyon located in the middle of the Bering Sea. This submarine canyon is the largest canyon in the ocean. The canyon has a vertical relief of 2600 metres dropping from the shallow shelf the Bering Sea to the depths of the Aleutian Basin. Zhemchug Canyon is deeper t...
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Caribbean tectonic plate
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Research shows ancient rock under Haiti came from 1,000+ miles away Lava on the Caribbean island of Hispaniola indicates deep rock is 1 billion years older than previously thought Earthquakes and volcanoes are known for their ability to transform Earth's surface, but new research in the Caribbea...
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Ancient buried landscape
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Title: Transient convective uplift of an ancient buried landscape Authors: Ross A. Hartley, Gareth G. Roberts, Nicky White & Chris Richardson Sedimentary basins in the North Atlantic Ocean preserve a record of intermittent uplift during Cenozoic times. These variations in elevation are t...
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Réunion plume
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Mantle plume propelled India towards Asia Evidence of historical irregularities in the motions of both the Indian and African tectonic plates bolsters the contention that plumes of hot rock rising from deep within Earth's mantle can drive the planet's tectonic plates. About 68 million years ago...
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Seiches
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Tsunami sensor detects mysterious background signal in Panama An unusual signal detected by the seismic monitoring station at the Smithsonian Tropical Research Institute's research facility on Barro Colorado Island results from waves in Lake Gatun, the reservoir that forms the Panama Canal c...
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Central Atlantic Magmatic Province
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The Central Atlantic magmatic province (CAMP) is a large connected magma flow formed during the breakup of Pangaea during the Mesozoic Era. The initial breakup of Pangaea in early Jurassic time provided a legacy of basaltic dikes, sills, and lavas over a vast area around the present central North A...
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Agulhas current
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Changes to a "neglected" ocean current near the southern tip of Africa could keep Europe warm even if the Gulf Stream switches off, scientists say. Warm water in the Agulhas Current flows from the Indian Ocean into the Atlantic where it brings changes further north. Researchers say this...
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Barrier islands
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Scientists Discover 657 Islands Two U.S. researchers have found that the Earth has 657 more barrier islands than previously thought. The two geologists, Orrin Pilkey and Matthew Stutz, conducted a global survey of barrier islands using satellite images, topographical maps and navigational ch...
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