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Journal of Geophysical Research: Planets

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Two graphs from the paper with temperature on the x-axis and pressure on the y-axis.
Posted inEditors' Highlights

Unprecedented Constraint on the Martian Mesopause Temperature

by Jun Cui 11 January 202318 January 2023

The middle atmosphere of Mars is a critical region influenced by both waves from below and solar radiation from above, but until now there have been very few observational constraints on this region.

Diagram showing the molecular hydrogen in Callisto’s atmosphere.
Posted inEditors' Highlights

Callisto’s H Corona: Offspring of the Surface or the Atmosphere?

by Beatriz Sanchez-Cano and Anni Määttänen 7 December 202219 January 2023

The mostly unknown Callisto’s H corona is created by a global tenuous H2 atmosphere and not by surface water as previously believed, providing the first evidence for H2 in Callisto’s atmosphere.

Black-and-white satellite image showing a valley and paleolake on Mars’s surface
Posted inResearch Spotlights

Long-Lived Lakes Reveal a History of Water on Mars

Sarah Derouin, Science Writer by Sarah Derouin 6 December 202224 February 2023

High-resolution imagery of newly discovered paleolakes shows a period of consistent liquid water flow.

Spacecraft view of the surface of Jupiter’s moon Europa showing a complex pattern of ridges and bands.
Posted inResearch Spotlights

Europa’s Plate Tectonic Activity Is Unlike Earth’s

by Morgan Rehnberg 29 November 202227 January 2023

The moon of Jupiter has likely experienced intermittent, regional plate tectonic activity in the past, although the plates are currently dormant.

Four graphs from the paper.
Posted inEditors' Highlights

Ozone, Water Vapor and Temperature: It’s a Complex Relation

by Germán Martinez 28 September 202227 September 2022

Solar occultation observations from the ACS/MIR instrument provide coincident profiles of O3, H2O and temperature, shedding light on correlations and unveiling knowledge gaps in Mars’s photochemistry.

Wireframe view of the Mare Tranquillitatis pit.
Posted inEditors' Highlights

The Shape of Pits on the Moon

by Laurent G. J. Montési 24 August 202230 September 2022

Three-dimensional reconstructions enable virtual exploration of pits on the Moon.

NASA的卡西尼号宇宙飞船捕捉到了位于木星前面的木卫二。
Posted inResearch Spotlights

海洋世界的动力可能受旋转控制

by Morgan Rehnberg 27 July 202227 July 2022

新的模拟结果表明,在自然罗斯比数较小的冰卫星上的地下海洋可能主要受到旋转效应的影响。

An artist’s rendering of InSight on the surface of Mars
Posted inResearch Spotlights

Constraining Martian Crustal Thickness with InSight Seismology

by Morgan Rehnberg 12 July 202212 July 2022

The first seismic observations from Mars significantly reduce uncertainty in estimates of the Red Planet’s crustal structure.

Photo of NASA astronaut Jessica Watkins.
Posted inEditors' Vox

JGR: Planets Author Aboard the International Space Station

by Jessica Watkins, A. Deanne Rogers and John Grotzinger 7 July 20223 January 2023

NASA Astronaut and planetary geologist Dr. Jessica Watkins recently published her post-doctoral Mars research in JGR: Planets, just prior to heading to the International Space Station.

Image of Arrokoth showing the main geological features as well as total surface acceleration.
Posted inEditors' Highlights

A Glimpse at Planet Formation at the Dawn of the Solar System

by Matthias Grott 22 June 202221 December 2022

The low density of Kuiper Belt Object Arrokoth sheds light on the formation of planetesimals in the early solar system.

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EDITORS' VOX
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