Tag #Impact Crater

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forbes.com

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Jul 15, 01:15

Revised Age of Western Australian Impact Crater Pushes Back Formation Date by Almost a Billion Years

Researchers have revised the age of a newly discovered impact crater in Western Australia's Pilbara region from 3.5 billion years to 2.77 billion years old after discovering shatter cones in younger basalt layers, impacting our understanding of early Earth's geological history. The crater, now propo...

Revised Age of Western Australian Impact Crater Pushes Back Formation Date by Almost a Billion Years

Researchers have revised the age of a newly discovered impact crater in Western Australia's Pilbara region from 3.5 billion years to 2.77 billion years old after discovering shatter cones in younger basalt layers, impacting our understanding of early Earth's geological history. The crater, now propo...

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What is the revised age of the Western Australian impact crater, and how does this affect our understanding of early Earth's geological history?

A new study challenges the previously announced discovery of Earth's oldest impact crater in Western Australia, pushing back its formation date by almost a billion years. The original study dated the crater to 3.5 billion years ago, based on shatter cone analysis in sediment layers. However, the new research found shatter cones in younger basalt layers, indicating a formation date of 2.77 billion years ago.

cnnespanol.cnn.com

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Feb 6, 10:10

Giant Lunar Canyons Reveal Early Solar System's Violent Past

Two massive canyons, comparable to the Grand Canyon, formed on the Moon's far side near the south pole approximately 3.8 billion years ago due to a colossal impact, offering invaluable insights into the early solar system's conditions for future exploration.

Giant Lunar Canyons Reveal Early Solar System's Violent Past

Two massive canyons, comparable to the Grand Canyon, formed on the Moon's far side near the south pole approximately 3.8 billion years ago due to a colossal impact, offering invaluable insights into the early solar system's conditions for future exploration.

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How did the researchers determine the energy released during the impact that created the lunar canyons, and how does this energy compare to other known events?

The canyons formed from high-energy rock flows resulting from an asteroid or comet impact, releasing energy 1,200–2,200 times greater than that planned for excavating a second Panama Canal. This event, reconstructed using data from NASA's Lunar Reconnaissance Orbiter, highlights the intense bombardment the early solar system experienced, leaving a record preserved on the Moon's relatively erosion-free surface.

nos.nl

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Feb 5, 01:10

Rapid Formation of Massive Lunar Canyons Due to Meteorite Impact

A meteorite impact 3.81 billion years ago created two massive lunar canyons, Vallis Planck (280km long, 3.5km deep) and Vallis Schrödinger (2.7km deep), within 5-15 minutes, significantly faster than terrestrial canyon formation, as detailed in a Nature Communications study using data from multiple ...

Rapid Formation of Massive Lunar Canyons Due to Meteorite Impact

A meteorite impact 3.81 billion years ago created two massive lunar canyons, Vallis Planck (280km long, 3.5km deep) and Vallis Schrödinger (2.7km deep), within 5-15 minutes, significantly faster than terrestrial canyon formation, as detailed in a Nature Communications study using data from multiple ...

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What was the scale of the meteorite impact that created these canyons, and how did it affect the Moon's orbit and overall geological history?

The study highlights the immense power of the meteorite impact, equivalent to detonating 130 times all Earth's nuclear weapons simultaneously. Despite this, the impact's effect on the Moon's orbit was minimal, only causing a change of about 0.1 meters per second. This contrasts sharply with the slower geological processes on Earth.

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Feb 5, 16:14

Giant Lunar Canyons Formed in Minutes by Colossal Impact

New research reveals two massive canyons, comparable to Earth's Grand Canyon, formed on the moon's far side 3.8 billion years ago in under 10 minutes due to a colossal impact, providing insights into early solar system bombardment.

Giant Lunar Canyons Formed in Minutes by Colossal Impact

New research reveals two massive canyons, comparable to Earth's Grand Canyon, formed on the moon's far side 3.8 billion years ago in under 10 minutes due to a colossal impact, providing insights into early solar system bombardment.

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What is the significance of the newly discovered lunar canyons, and what immediate impacts do they have on our understanding of the moon's formation?

Two massive canyons, Vallis Schrödinger and Vallis Planck, formed on the moon's far side approximately 3.8 billion years ago. Each canyon is comparable in size to Earth's Grand Canyon and formed in under 10 minutes due to a colossal impact event.

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Apr 22, 07:14

Giant Antarctic Crater Suggests Asteroid Impact Linked to Permian Extinction

A 510-kilometer-diameter crater, potentially formed by a massive asteroid impact around 250 million years ago, has been discovered under the Antarctic ice, raising questions about its role in the Permian extinction.

Giant Antarctic Crater Suggests Asteroid Impact Linked to Permian Extinction

A 510-kilometer-diameter crater, potentially formed by a massive asteroid impact around 250 million years ago, has been discovered under the Antarctic ice, raising questions about its role in the Permian extinction.

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What is the significance of the newly discovered 510-kilometer-diameter crater under the Antarctic ice, and how does it relate to known extinction events?

A massive, 510-kilometer-diameter crater, possibly formed by a 50-kilometer asteroid, has been detected under the Antarctic ice. This is significantly larger than any other known impact crater on Earth and could potentially be linked to the Permian extinction.

nos.nl

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Feb 5, 01:10

Rapid Formation of Lunar Canyons Revealed

Two enormous canyons on the Moon, Vallis Planck (280km long, 3.5km deep) and Vallis Schrödinger (2.7km deep), formed in 5-15 minutes after a meteorite impact 3.81 billion years ago, as discovered by researchers using data from multiple lunar missions and published in Nature Communications. This disc...

Rapid Formation of Lunar Canyons Revealed

Two enormous canyons on the Moon, Vallis Planck (280km long, 3.5km deep) and Vallis Schrödinger (2.7km deep), formed in 5-15 minutes after a meteorite impact 3.81 billion years ago, as discovered by researchers using data from multiple lunar missions and published in Nature Communications. This disc...

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How did two massive lunar canyons form in minutes, and what are the implications for understanding lunar geology and future missions?

Two massive canyons, comparable in size to the Grand Canyon, formed on the Moon in mere minutes due to a meteorite impact 3.81 billion years ago. This contrasts sharply with the tens of millions of years it took for the Grand Canyon to form via river erosion.

nos.nl

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Feb 5, 10:10

Rapid Formation of Giant Lunar Canyons by Meteorite Impact

A study in Nature Communications reveals two enormous canyons on the Moon, Vallis Planck and Vallis Schrödinger, formed within minutes from a 3.81 billion-year-old meteorite impact (Schrödinger crater), unlike Earth's Grand Canyon; this discovery is significant for the Artemis mission.

Rapid Formation of Giant Lunar Canyons by Meteorite Impact

A study in Nature Communications reveals two enormous canyons on the Moon, Vallis Planck and Vallis Schrödinger, formed within minutes from a 3.81 billion-year-old meteorite impact (Schrödinger crater), unlike Earth's Grand Canyon; this discovery is significant for the Artemis mission.

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How did the two massive lunar canyons form, and what is the significance of their rapid formation compared to terrestrial geological processes?

Two large canyons, comparable in size to the Grand Canyon, formed on the Moon in minutes due to a meteorite impact 3.81 billion years ago, unlike the Grand Canyon's millions-of-years formation by river erosion. The impact, visible as the Schrödinger crater, ejected material that created the canyons, Vallis Planck (280km long, 3.5km deep) and Vallis Schrödinger (2.7km deep).

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