WebMar 9, 2024 · The Hiawatha crater was exceptionally well preserved despite glacier ice being incredibly effective at erosion. Its state fueled talk that the meteorite might have hit as recently as 13,000 years ago. WebNov 14, 2024 · "Previous radar measurements of Hiawatha Glacier were part of a long-term NASA effort to map Greenland's changing ice cover. What we really needed to test our hypothesis was a dense and focused ...
Massive asteroid hit Greenland when it was a lush rainforest, …
WebJul 19, 2024 · In 2024, researchers discovered a massive, 19-mile-wide crater concealed beneath the Greenland ice sheet. A March 2024 study used argon-age dating of sand grains to determine that the meteorite impact occurred close to 58 million years ago (Ma). The study, authored by Gavin G. Kenny from the Swedish Museum of Natural History … Hiawatha Glacier is a glacier in northwest Greenland, with its terminus in Inglefield Land. It was mapped in 1922 by Lauge Koch, who noted that the glacier tongue extended into Lake Alida (near Foulk Fjord). Hiawatha Glacier attracted attention in 2024 because of the discovery of a crater beneath the surface of … See more In November 2024, a study revealed the existence of a large (31-kilometre-wide [19 mi]) circular depression beneath Greenland's ice sheet in the Hiawatha Glacier region—up to a kilometre below the surface of the … See more • List of possible impact structures on Earth • Bølling-Allerød warming • Operation IceBridge See more • International Team, NASA Make Unexpected Discovery Under Greenland Ice NASA/Video • Massive crater under Greenland's ice points to climate-altering impact in the time of humans See more opto 22 raspberry pi
NASA Finds 2nd Impact Crater Under Greenland Ice NASA
WebNov 14, 2024 · The surface of the ice sheet slowly fades on over the impact crater and we pull away from the Hiawatha glacier showing its location in Inglefield Land in northwest Greenland. The animation ends with a view … WebNov 14, 2024 · Hiawatha Glacier terminates in a large river that eventually discharges into Nares Strait and is by far the most sediment-rich river discharging from a land … WebNov 14, 2024 · Topography under Hiawatha glacier in Greenland, mapped with airborne radar data (1997 to 2014, NASA; 2016 Alfred Wegener Institute). Black triangles and purple circles are elevated peaks around ... opto 22 datasheet