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Journal of Geophysical Research: Planets

Cartoon illustration of the possible distribution of materials of different origins in the interior of a Mars-size planetary embryo.
Posted inEditors' Highlights

How Not to Homogenize a Planet

by Laurent G. J. Montési 28 April 202112 October 2022

Even the strong heating from short-lived aluminium-26 (26Al) would not be able to homogenize the interior of a Mars‐sized planetary embryo.

Image of dark linear features on the surface of Mars known as recurring slope lineae
Posted inEditors' Highlights

After the Dust Cleared: New Clue on Mars’ Recurring Slope Lineae

by A. Deanne Rogers 8 April 20212 February 2022

An imaging campaign after the 2018 planet-encircling dust storm on Mars revealed a significant increase in detections of enigmatic recurring slope lineae and new insights into how they might form.

在加那利群岛,一列黄道光在繁星满天的夜空中从泰德山向上延伸。
Posted inResearch Spotlights

形成黄道光的太空尘埃可能来自火星

Sarah Stanley, Science Writer by Sarah Stanley 26 March 20212 February 2022

朱诺号探测器飞往木星途中的偶然发现表明,形成黄道光的太空尘埃可能来自火星,但这些尘埃是如何从火星或其卫星逃逸出来的仍不得而知。

A column of zodiacal light stretches skyward in the star-filled night sky beyond Mount Teide in the Canary Islands.
Posted inResearch Spotlights

The Space Dust That Causes Zodiacal Light Might Come from Mars

Sarah Stanley, Science Writer by Sarah Stanley 12 March 20212 February 2022

Serendipitous observations by the Juno spacecraft while it was en route to Jupiter suggest a Martian source for the dust, but how the dust escapes Mars or its moons remains unknown.

Map of thorium concentrations across the South Pole–Aitken Basin on the Moon’s farside
Posted inResearch Spotlights

Moon’s Largest Crater Holds Clues About Early Lunar Mantle

by Elizabeth Thompson 12 February 202128 January 2022

An ancient impact splashed evidence of the Moon’s early mantle makeup onto its surface. Now researchers are piecing together models, maps, and samples to bring these mysteries to light.

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 20218 August 2022

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.

Photograph of an opening called “Dingo Gap” from the Mars Science Laboratory rover “Curiosity” with an inset of the young scientist Marzieh Foroutan
Posted inEditors' Vox

A Fallen Rising Star

by B. J. Thomson 27 January 20213 November 2022

The last works of Marzieh (Mari) Foroutan, an early-career martian geologist who was lost to us in 2020, have now been completed and published in JGR: Planets.

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 202115 March 2023

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

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