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craters

Detail of craters on Pluto’s moon Charon
Posted inNews

Pluto’s and Charon’s Craters Reveal a Solar System Deficit

by Katherine Kornei 1 March 20196 January 2023

The New Horizons spacecraft recorded images of craters that imply an unexpected dearth of small objects in the Kuiper Belt.

The Moon during the 21 January total lunar eclipse with a visible impact flash
Posted inNews

A Meteor Struck the Moon During the Total Lunar Eclipse

by Kimberly M. S. Cartier 23 January 201930 August 2022

Telescopes around the world detected an impact event on the lunar surface just before totality on Monday. Amateur and professional astronomers are starting to coordinate data.

Jezero crater delta and its minerology
Posted inNews

Martian Crater Will Be the Landing Site for a Future Rover

by Kimberly M. S. Cartier 30 November 201817 January 2023

The impact crater is a dry lake bed that contains evidence of ancient water flows and perhaps signs of ancient microbial life.

Artist’s impression of asteroids about to impact Greenland
Posted inNews

Enormous Impact Crater Spotted in Greenland Under Glacial Ice

by Katherine Kornei 20 November 20181 October 2021

Ice-penetrating radar revealed a 31-kilometer impact crater—one of the world’s largest—in northwestern Greenland that might have been formed fewer than 20,000 years ago.

Moon’s Schrödinger crater
Posted inNews

New Simulation Supports Chicxulub Impact Scenario

by Bas den Hond 27 April 201818 October 2022

Mountains ringing the center of Earth’s most famous impact crater consist of porous rocks. Computer models of the impact can now predict those rocks’ microstructure.

Mare Crisium, a large impact large basin on Earth’s Moon.
Posted inResearch Spotlights

Moon’s Magnetic Field May Magnetize Iron That Hits Its Surface

by S. Witman 23 February 201820 December 2021

Scientists are using satellite data to study large impact basins on the surface of the Moon that contain magnetic anomalies.

Posted inEditors' Highlights

Long Term Preservation of Subsurface Ice on Mars

by S. A. Hauck II 14 February 201828 January 2022

Layered-ejecta craters on Mars that are associated with impacts into rock mixed with volatiles have been formed throughout the planet’s history indicating the long-term preservation of subsurface ice.

Researchers examine mudstone in Mars’s Gale crater to unravel the history of liquid surface water
Posted inResearch Spotlights

History of Water on Mars’s Surface Is Longer Than We Thought

by Terri Cook 2 February 20183 January 2023

Curiosity’s two-step heating experiment of mudstone at Gale crater reveals minerals that formed in the presence of water less than 3 billion years ago.

: New research suggests solar wind is the main driver of space weathering on the Moon’s surface
Posted inResearch Spotlights

Space Weathering Asymmetrically Alters Lunar Crater Walls

by Sarah Stanley 23 January 201815 November 2021

Directional differences in craters’ optical properties suggest that the solar wind, not tiny meteorites, is the main driver of space weathering on the Moon.

Researchers examine how meteorite impacts explain the distribution of different soils on the surface of the Moon
Posted inResearch Spotlights

Meteorites Mix Moon’s Surface at Both Small and Large Scales

by Terri Cook 7 June 201728 January 2022

A three-dimensional model of material transport suggests that impact cratering can mix lunar soils across distances of more than 100 kilometers.

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Features from AGU Journals

RESEARCH SPOTLIGHTS
JGR: Solid Earth
“New Tectonic Plate Model Could Improve Earthquake Risk Assessment”
By Morgan Rehnberg

EDITORS' HIGHLIGHTS
AGU Advances
“Eminently Complex – Climate Science and the 2021 Nobel Prize”
By Ana Barros

EDITORS' VOX
Perspectives of Earth and Space Scientists
“New Directions for Perspectives of Earth and Space Scientists”
By Michael Wysession


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