Massive meteor crater discovered beneath Greenland’s ice is ... - CNN
The age of a 31-kilometer (19-mile) wide meteorite crater discovered under a kilometer of Greenland ice had long puzzled scientists. The Hiawatha crater was exceptionally well preserved...
A newly found crater in Greenland is one of Earth's largest - Science News
2018年11月14日 · Using airborne ice-penetrating radar, scientists have discovered a 31-kilometer-wide crater — larger than the city of Paris — buried under as much as 930 meters of …
The mysterious Hiawatha crater in Greenland is 58 million years old
2022年3月9日 · The powerful impact that created a mysterious crater at the northwestern edge of Greenland’s ice sheet happened about 58 million years ago, researchers report March 9 in Science Advances.
Massive asteroid hit Greenland when it was a lush rainforest, …
2022年3月15日 · Scientists now know the age of an enormous impact crater hidden under Greenland's ice. The Hiawatha crater, which sits under 0.6 mile (1 kilometer) of ice in northwest Greenland, formed 58...
Massive crater under Greenland's ice points to climate-altering …
2018年11月14日 · Hidden beneath Hiawatha is a 31-kilometer-wide impact crater, big enough to swallow Washington, D.C., Kjær and 21 co-authors report today in a paper in Science Advances. The crater was left when an iron asteroid 1.5 kilometers across slammed into Earth, possibly within the past 100,000 years.
NASA Finds Possible Second Impact Crater Under Greenland Ice
2019年2月11日 · Just 114 miles from the newly-found Hiawatha impact crater under the ice of northwest Greenland, lies a possible second impact crater. The 22-mile wide feature would be the second crater found under an ice sheet, and if confirmed, would be …
Controversial impact crater under Greenland’s ice is ... - Science
2022年3月9日 · In 2018, an international team of scientists announced a startling discovery: Buried beneath the thick ice of the Hiawatha Glacier in northwest Greenland is an impact crater 31 kilometers wide—not as big as the crater from the dinosaur-killing impact 66 million years ago, but perhaps still big enough to mess with the climate.
Giant Impact Crater In Greenland Occurred A Few Million
2022年3月9日 · Danish and Swedish researchers have dated the enormous Hiawatha impact crater, a 31 km-wide meteorite crater buried under a kilometer of Greenlandic ice. The dating ends speculation that...
A large impact crater beneath Hiawatha Glacier in northwest Greenland
2018年11月14日 · We report the discovery of a large impact crater beneath Hiawatha Glacier in northwest Greenland. From airborne radar surveys, we identify a 31-kilometer-wide, circular bedrock depression beneath up to a kilometer of ice.
Giant impact crater in Greenland occurred a few million years …
2022年3月9日 · Danish and Swedish researchers have dated the enormous Hiawatha impact crater, a 31 km-wide meteorite crater buried under a kilometer of Greenlandic ice. The dating ends speculation that the...