DIRS.INFO top alerts submit data jurnalism about API
login
Top related persons:
Stewart Jamieson - 4 Jamieson - 3 Harrison Schmitt - 1 Eugene Cernan - 1 ” - 1 Jennika Greer - 1 Nick Gray - 1 James Webb - 1
Top related locs:
East Antarctica Belgium Africa Australia Denman North Wales Antarctica Maryland
Top related orgs:
Nature Communications - 3 CNN - 2 NASA - 2 Durham University - 2 Apollo - 1 University of Glasgow - 1 JBA Consulting - 1 Environment Agency Engineers - 1

Search resuls for: "Stewart Jamieson"


4 mentions found


☆ Apollo 17 astronauts collected rocks that reveal the moon’s true age
  + stars: | 2023-10-28 | by ( Ashley Strickland | ) edition.cnn.com   time to read: +6 min
The moon’s gravitational pull is also the force behind ocean tides and partly why our planet has a 24-hour day. Geologist and astronaut Harrison Schmitt used an adjustable sampling scoop to retrieve lunar samples during the Apollo 17 mission in 1972. Zircon crystals formed as the moon cooled 4.46 billion years ago, and a new analysis traced them in the Apollo 17 samples. NASAAn ancient landscape has been discovered beneath the East Antarctic ice sheet, thanks to ice-penetrating radar. Understanding the hidden, well-preserved landscape could help scientists predict the evolution of the ice sheet and how it may fare as temperatures warm in the climate crisis.
Persons: Harrison Schmitt, Eugene Cernan, ”, Jennika Greer, Nick Gray, James Webb, Stewart Jamieson, Ashley Strickland, Katie Hunt Organizations: CNN, NASA, Apollo, University of Glasgow, JBA Consulting, Environment Agency Engineers, Environment, Durham University, CNN Space, Science Locations: Europe, Africa, Asia, Australia, England's Isle of Wight, Isle of Wight, Orkney Islands, Denman, East Antarctica, Belgium, North Wales, Iraq, Syria
☆ Researchers discovered a hidden Antarctic landscape under a layer of ice over a mile thick that shows how different the continent looked millions of years ago
  + stars: | 2023-10-25 | by ( Jenny Mcgrath | ) www.businessinsider.com   time to read: +3 min
Researchers recently found an "undiscovered landscape" beneath Antarctica's ice. But between 14 million and 34 million years ago, an ice sheet crept across the continent. It locked some of the lush landscape beneath over a mile of ice, per NBC News. This helped the researchers determine the height of peaks and depths of valleys that lay hidden beneath the ice. A rewarming AntarcticaIt's crucial to understand how warming temperatures will impact Antarctica's ice.
Persons: Stewart Jamieson, Jamieson Organizations: Service, NBC, Agence France, Live, Nature Communications, Reuters There's, Guardian Locations: Antarctica, Maryland, East Antarctica, Patagonia
☆ Scientists discover an ancient landscape in an area on Earth ‘less well known than the surface of Mars’
  + stars: | 2023-10-25 | by ( Katie Hunt | ) edition.cnn.com   time to read: +4 min
CNN —An ancient landscape hidden under the East Antarctic ice sheet for at least 14 million years has been revealed with the help of satellite data and planes equipped with ice-penetrating radar. Scientists used the remote sensing techniques to map 32,000 square kilometers (12,300 square miles) of land — an area around the same size as Belgium. “The land underneath the East Antarctic Ice Sheet is less well known than the surface of Mars,” Jamieson said in a statement. The ancient landscape was discovered beneath the ice inland from Denman Glacier in East Antarctica pictured here. The East Antarctic ice sheet first formed around 34 million years ago, but it would have subsequently fluctuated in size, sometimes revealing the land beneath.
Persons: Stewart Jamieson, ” Jamieson, Jamieson, We’re Organizations: CNN, Nature Communications, University of Durham, NASA Locations: Belgium, North Wales, Denman, East Antarctica
☆ Ancient landscape formed by rivers revealed deep under Antarctic ice
  + stars: | 2023-10-24 | by ( Will Dunham | ) www.reuters.com   time to read: +4 min
Researchers said on Tuesday they have detected buried under the continent's ice sheet a vast ancient landscape, replete with valleys and ridges, apparently shaped by rivers before being engulfed by glaciation long ago. Ancient palm tree pollen has been discovered from Antarctica, not far around the coast from our study site," Jamieson added. Some previous studies similarly have revealed ancient landscapes beneath Antarctica's ice including mountains and highlands, though the landscape discovered in the new study was the first of its type. Right before 34 million years ago, Antarctica's landscape and flora likely resembled today's cold temperate rainforests of Tasmania, New Zealand and South America's Patagonia region, Ross added. When that ice growth occurred, the conditions between the base of the ice and the landscape changed to become very cold - and in this way it was no longer able to erode our landscape.
Persons: Stewart Jamieson, Antarctica's, Jamieson, Neil Ross, Ross, Will Dunham, Daniel Wallis Organizations: Durham University, Handout, REUTERS, Rights, Antarctica, Nature Communications, Newcastle University, Thomson Locations: Belgium, Wilkes Land, East Antarctica, Antarctica, East Antarctica's Wilkes Land, ., Maryland, England, Patagonia, Greenland, Tasmania , New Zealand, South, Africa, South America, Australia
0 next >>
Total: 4