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Mars Express north polar plains
Posted inScience Updates

Updates on Understanding Mars’s Recent and Present-Day Climate

by Serina Diniega, I. Smith and A. Bramson 23 January 20198 August 2022

Mars Workshop on Amazonian and Present-day Climate; Lakewood, Colorado, 18–22 June 2018

Posted inEditors' Highlights

New Characterization of the Mesospheric Polar Vortices

by William J. Randel 2 October 201829 March 2022

Polar vortices play a central role in coupling the atmosphere from the ground to the middle atmosphere. New satellite diagnostics describe mesospheric polar vortices and coupling to lower altitudes.

Researchers look at satellite imaging for evidence of high-altitude “wind walls” near Earth’s magnetic poles
Posted inResearch Spotlights

High-Altitude “Wind Walls” Discovered near Magnetic Poles

by Sarah Stanley 14 August 201814 February 2022

Satellite imaging reveals two narrow channels of extreme winds surrounded by gentle opposing flow 140–250 kilometers above sea level.

Researchers find evidence of regional deposition in Mars’s south polar deposits
Posted inResearch Spotlights

Evidence of Regional Deposition in Mars’s South Polar Deposits

by Terri Cook 13 August 20188 August 2022

Shallow Radar correlation of discrete units in one of the Red Planet’s largest ice reservoirs suggests that its material was emplaced as a single, regional deposit.

Researchers spot new details in Juno satellite images of Jupiter’s aurora
Posted inResearch Spotlights

Juno Gets Spectacular View of Jupiter’s Aurora

by Mark Zastrow 7 September 20178 August 2022

The NASA spacecraft has taken images of Jupiter’s powerful aurora dancing around its poles, revealing never-before-seen details in their structure.

Researchers use models to examine the orientation of poles on Neptune’s moon Triton
Posted inResearch Spotlights

Time, Tides, and Wandering Poles

by A. Branscombe 5 July 201715 March 2022

Models of Neptune’s moon Triton reveal curious behavior in how tidal forces and mass anomalies cause the poles to reorient their location.

New research suggests Jupiter’s aurora are produced by processes unlike those on Earth
Posted inResearch Spotlights

Mysterious Particle Beams Found over Jupiter’s Poles

by Mark Zastrow 19 June 201711 August 2022

The unexpected character of the beams, revealed by NASA’s Juno spacecraft, suggests that the processes that produce Jupiter’s auroras are unlike those on Earth.

A view of Mars’s south polar ice cap, taken by Mars Express.
Posted inScience Updates

Mars Polar Intrigue Spurs Multidisciplinary Collaboration

by I. Smith, D. Beaty and T. Thorsteinsson 20 March 20178 March 2022

Sixth International Conference on Mars Polar Science and Exploration; Reykjavík, Iceland; 5–9 September 2016

Researchers spot the cause of poleward boundary intensifications in Earth’s aurora
Posted inResearch Spotlights

Polar Interlopers in the Aurora

by L. Crane 9 March 201716 November 2021

A new study suggests that poleward boundary intensifications in the aurora are caused by fast flows of plasma from the poles into the auroral oval.

Researchers investigate the layers of ice and dust at Mars’s north pole.
Posted inResearch Spotlights

How Mars Got Its Layered North Polar Cap

by E. Underwood 8 February 20178 August 2022

Orbital wobbling shaped the dome of ice and dust at the planet's north pole.

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EDITORS' VOX
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