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.
Jupiter
Posted inNews
Massive Collision Cracked Young Jupiter’s Core
The gas giant’s interior reveals evidence of an ancient impact.
Posted inResearch Spotlights
Jupiter’s Northern Lights on Display in Otherworldly Movie
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
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 inNews
Ten New Moons Discovered Around Jupiter
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.
Posted inResearch Spotlights
The Oxygen Neutral Cloud Surrounding Jupiter’s Volcanic Moon
Japan’s Hisaki satellite takes measurements of faint oxygen emissions from Io.
Posted inNews
New Juno Data Reveal Four Key Secrets of Jupiter
Deep clouds, polar storms, lopsided gravity, and a uniformly rotating interior demonstrate that the gas giant plays by different rules than Earth.
Posted inNews
Scientists Discover Stromboli-Like Eruption on Volcanic Moon
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.
Posted inGeoFIZZ
Jovey McJupiterface and Other Flights of Whimsy via JunoCam
Jupiter has van Gogh skies, kaleidoscope geometry, and fearsome dragons, if you can just look at the planet with an open mind.
Posted inResearch Spotlights
Can Large Electric Fields Power Jupiter’s X-ray Auroras?
Electric fields with megavolt potentials in Jupiter’s polar region accelerate particles to 100 times more energy than Earth’s typical auroral particles, a new study finds.