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Journal of Geophysical Research: Planets

The 9-kilometer-tall volcano Maat Mons, shown here with an exaggerated vertical scale, may be relatively young.
Posted inResearch Spotlights

Is Venus Volcanically Active? New Approach Could Provide an Answer

by Sarah Stanley 15 September 20218 February 2022

A strategy that combines geologic mapping with data on how the planet’s surface emits and absorbs microwave radiation could potentially identify recent lava flows.

Mole configuration during the heating experiment after scraping soil into the mole pit.
Posted inEditors' Highlights

Not So Hot Under the Collar

by Germán Martinez and B. J. Thomson 27 August 202110 March 2022

Thermal properties of Martian soil as measured by the InSight lander.

‘Oumuamua已经在星际空间中游荡了数百万年
Posted inResearch Spotlights

‘Oumuamua可能是类冥王星系外行星的冰碎片

by Sarah Stanley 28 June 202128 September 2021

研究人员认为氮冰是最可能构成这一神秘星际物体的物质。

A new population of highly energetic ions has been discovered at midlatitudes within the inner edge of Jupiter’s relativistic electron belt.
Posted inResearch Spotlights

Juno Detects Jupiter’s Highest-Energy Ions

by Morgan Rehnberg 17 June 202127 January 2022

Trapped ions discovered at midlatitudes can have energies exceeding 100 megaelectron volts per nucleon. Their detection adds to our understanding of the powerful radiation environment around Jupiter.

‘Oumuamua has tumbled through interstellar space for millions of years.
Posted inResearch Spotlights

‘Oumuamua May Be an Icy Fragment of a Pluto-Like Exoplanet

by Sarah Stanley 19 May 202128 September 2021

Researchers favor nitrogen ice as the most likely material for the mysterious interstellar object’s composition.

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

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

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.

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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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