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Jupiter

Ganymede, Europa, and Io are in resonant orbits around Jupiter
Posted inFeatures

Does Io Have a Magma Ocean?

by A. McEwen, K. de Kleer and R. Park 18 October 201910 November 2021

Future space missions will further our knowledge of tidal heating and orbital resonances, processes thought to create spectacular volcanism and oceans of magma or water on other worlds.

Composite satellite images of Jupiter’s Galilean moons: Io, Europa, Ganymede, and Callisto
Posted inNews

Jupiter’s Galilean Moons May Have Formed Slowly

by Mara Johnson-Groh 30 September 20193 December 2019

A new model is the first to simultaneously explain many of the moons’ characteristics, including their mass, orbits, and icy composition

Observed ion energy and time-of-flight spectra in Jupiter's northern and southern hemisphere
Posted inEditors' Highlights

First Inside Look at Hot and Cold Ions in Jupiter’s Ionosphere

by A. Yau 23 September 201911 August 2022

The first in-situ ion observations from NASA’s Juno spacecraft reveal the surprising, simultaneous presence of cold protons and hot oxygen and sulfur ions in the high-latitude ionosphere of Jupiter.

An artist’s illustration shows a planet crashing head on into Jupiter, with the young solar system swirling the background.
Posted inNews

Massive Collision Cracked Young Jupiter’s Core

by Mary Caperton Morton 13 September 20192 February 2022

The gas giant’s interior reveals evidence of an ancient impact.

JIRAM camera on the Juno spacecraft captured Jupiter’s infrared aurora near its southern pole
Posted inResearch Spotlights

Jupiter’s Northern Lights on Display in Otherworldly Movie

by Aaron Sidder 26 April 201914 February 2022

The first movie of Jupiter’s infrared aurora gives scientists a new look at the Jovian magnetic field.

Posted inEditors' Highlights

Jupiter’s Stressed Out Magnetosphere Causes Aurora and Heating

by M. 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.

Jupiter and its largest moon, Ganymede
Posted inNews

Ten New Moons Discovered Around Jupiter

by Kimberly M. S. Cartier 17 July 201827 January 2022

The newly plotted moons of Jupiter include one “oddball” that orbits in the wrong direction and may be the remnant of a head-on collision.

Researchers look at satellite data to analyze the oxygen cloud around Io
Posted inResearch Spotlights

The Oxygen Neutral Cloud Surrounding Jupiter’s Volcanic Moon

by Kate Wheeling 20 June 201827 July 2022

Japan’s Hisaki satellite takes measurements of faint oxygen emissions from Io.

Nine polar storms surrounding Jupiter’s north pole
Posted inNews

New Juno Data Reveal Four Key Secrets of Jupiter

by Kimberly M. S. Cartier 28 March 2018

Deep clouds, polar storms, lopsided gravity, and a uniformly rotating interior demonstrate that the gas giant plays by different rules than Earth.

Jupiter’s moon Io
Posted inNews

Scientists Discover Stromboli-Like Eruption on Volcanic Moon

by JoAnna Wendel 27 December 20175 January 2022

Jupiter’s moon Io is known for its lava fountains and roiling lava lakes, but scientists had never seen such an intense eruption in their data until now.

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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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