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Journal of Geophysical Research: Planets

Image of the southern part of the Orientale Basin with yellow patches indicating boulders fields
Posted inEditors' Highlights

The Tumbling Boulders of Orientale Basin

by Laurent G. J. Montési 8 February 20213 May 2022

Mapping boulder fields and boulder tracks highlights the seismic hazard still present on the Moon.

Satellite image of the ice at Mars’s north pole
Posted inResearch Spotlights

Decoding the Age of the Ice at Mars’s North Pole

by David Shultz 4 February 2021

Exposure to sunlight creates telltale patterns in the polar ice cap that change over time, potentially providing insight into the climatic history of the Red Planet.

Pair of images of Jupiter’s moon Ganymede taken by a passing spacecraft
Posted inResearch Spotlights

Juno Maps Water Ice Across Northern Ganymede

by Morgan Rehnberg 14 January 2021

Infrared observations from instruments on the Juno spacecraft cover regions of Ganymede not visible to Earth-based telescopes.

Plot showing X-Ray Diffraction patterns for products from Mars chamber electrostatic discharge experiments using hydrated magnesium sulfate salt starting materials.
Posted inEditors' Highlights

Martian Dust Activities Induce Electrochemistry

by M. Schmidt 7 January 20212 February 2022

Amorphous materials generated from sulfur and chloride salts by electrostatic discharge in a Mars chamber suggest widespread electrical processes during dust activities.

Plot showing evolution of crustal thickness over time for mantle convection models of Venus with different yield strength
Posted inEditors' Highlights

What Happened When the Lithosphere of Venus Broke?

by Laurent G. J. Montési 5 January 202115 March 2022

Although Venus does not have plate tectonics today, previous episodes of intense tectonic activity could have resulted in a distribution of crustal thickness and age resembling the plate we see today.

Plot showing a crater produced by the impact of a 10 km diameter bolide impacting a model of (16) Psyche
Posted inEditors' Highlights

Predicting the Unique Shape of Craters on Asteroid (16) Psyche

by Laurent G. J. Montési 21 December 202015 February 2022

Models link the variety of crater shapes expected on (16) Psyche with the interior structure of this unique asteroid, in preparation for the arrival of the Psyche probe in 2026.

Close up of granular structure of meteorite rock
Posted inEditors' Highlights

Traces of Impacts on Warm Planetesimals Early in Solar System

by Laurent G. J. Montési and J. Filiberto 9 October 20208 March 2022

Meteorite NWA 11004 contains evidence of melting preceding an impact dated to 4546±36 Ma. Short lived radioactive decay had already heated the parent body of this meteorite before the impact.

Hydration (in blue) on the lunar surface as observed from the NASA Infrared Telescope Facility overlain on an image of the Moon
Posted inResearch Spotlights

A Clearer Look at Lunar Surface Hydration

by Morgan Rehnberg 29 September 2020

Independent ground-based observations of the Moon confirm prior spacecraft observations that hydration at the lunar surface varies with temperature.

Image showing particles being ejected from the asteroid Bennu on 6 January 2019
Posted inEditors' Vox

Up Close with an Active Asteroid

by C. W. V. Wolner, C. W. Hergenrother and D. S. Lauretta 9 September 20202 February 2022

A new journal special collection investigates the ejection of particles from the asteroid Bennu and the implications of these observations for asteroid science.

Photographs of two different locations on the surface of Mars showing a small impact crater (top) and a similarly sized hollow (bottom)
Posted inEditors' Highlights

Self-Repairing Blemishes on the Surface of Mars

by B. J. Thomson 18 August 202010 August 2020

A new study of small impact craters at Mars landing sites suggests that active processes degrade and infill depressions at similar rates in locations separated by thousands of kilometers.

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