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Michael W. Liemohn

Photo of the Aurora Borealis in Iceland
Posted inEditors' Vox

Foundations in Data Analysis for Undergraduate STEM Students

by Michael W. Liemohn 31 October 202330 October 2023

A new textbook serves as an initial course in scientific data analysis and hypothesis testing designed for students in all science, technology, engineering, and mathematics disciplines.

Mike Liemohn, the outgoing Editor-in-Chief of JGR: Space Physics
Posted inEditors' Vox

Six Years with JGR: Space Physics

by Michael W. Liemohn 20 March 20207 April 2023

The outgoing Editor in Chief of JGR: Space Physics reflects on his tenure and expresses his appreciation to all those who contributed to the success of the journal over recent years.

A difference image revealing the main features of Jupiter’s aurora
Posted inEditors' Highlights

Using a Machine to Help Us Learn About Jupiter’s Aurora

by Michael W. Liemohn 9 December 201927 January 2022

A first usage of principal component analysis on Hubble images of Jupiter’s auroral ovals reveals the most common patterns, and machine learning classification reveals their physical causes.

Diagram of two Cassini spacecraft orbit trajectories during the “Grand Finale”
Posted inEditors' Highlights

Newly Discovered Electric Current System Very Close to Saturn

by Michael W. Liemohn 20 August 201916 November 2021

In the tightly confined region between the innermost ring and the planet’s upper atmosphere, the Cassini spacecraft observed signatures of a previously undetected current system.

Measurements of electron density from the COSMIC satellite
Posted inEditors' Highlights

Holistic Views of the Nighttime Ionosphere

by Michael W. Liemohn 22 July 201922 March 2023

The nightside ionosphere, at latitudes away from the auroral zone, should have very little charged particle density, but it doesn’t. A new comprehensive study of satellite data explains why.

Posted inEditors' Highlights

Solar Properties Rival for Control of Mars’s Bow Shock

by Michael W. Liemohn 9 July 20194 May 2022

While most planetary bow shocks are controlled by the solar wind, at Mars the solar EUV flux is equally important.

Posted inEditors' Highlights

Jupiter’s Stressed Out Magnetosphere Causes Aurora and Heating

by Michael W. Liemohn 2 January 201918 January 2023

Force imbalance between Jupiter’s ionosphere and magnetosphere leads to wave generation to release this stress, but the waves also accelerate particles, causing aurora and heating.

Posted inEditors' Highlights

Extreme Space Conditions at Mars: The 10 Largest Electron Events

by Michael W. Liemohn 1 October 201826 October 2021

A solar cycle of data was scoured for the biggest electron energy fluxes seen in the Mars space environment.

Posted inEditors' Highlights

A New Angle on the Earth’s Radiation Belts

by Michael W. Liemohn 21 May 201813 April 2022

A new empirical model of energetic electrons from Van Allen Probes data includes pitch angle analysis, revealing insights about radiation belt energization and loss processes.

Posted inEditors' Highlights

Anatomy of a Flux Rope Hurtling Through the Solar System

by Michael W. Liemohn 15 May 201827 April 2022

Pancaking and erosion can explain a lot of the structural change in magnetic flux ropes as they fly evolve during their supersonic flight through the inner solar system.

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Features from AGU Publications

Research Spotlights

Heat and Pollution Events Are Deadly, Especially in the Global South

14 May 202514 May 2025
Editors' Highlights

Resilient Solutions Involve Input and Data from the Community

14 May 202514 May 2025
Editors' Vox

Decoding Crop Evapotranspiration

6 May 20256 May 2025
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