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.
aurorae
Posted inResearch Spotlights
Data Mining Reveals the Dynamics of Auroral Substorms
An analysis of 5 decades of satellite data has pieced together the most comprehensive picture yet of substorms, the magnetic disturbances that cause surges of aurora.
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 inResearch Spotlights
Bringing Clarity to What Drives Auroras
A new classification scheme helps researchers distinguish what accelerates the electrons that create auroras.
Posted inEditors' Vox
Atmospheric Gravity Wave Science in the Polar Regions
A joint special issue explores the potential of collaboration to help understand atmospheric gravity waves in the Polar Regions and their effect on global circulation.
Posted inResearch Spotlights
What Drives Temperature Inversions in the Mesosphere?
A study of nightglow over India reveals that gravity waves are less important than previously thought.
Posted inResearch Spotlights
Probing the Origin of a New Celestial Phenomenon
The first statistical study of STEVE events suggests that the appearance of these narrow ribbons of light is closely correlated with violent disturbances in Earth’s magnetosphere.
Posted inEditors' Highlights
Can Moderate Space Weather Have Major Impacts?
Pipeline corrosion is an example of why we need better awareness of how long-term exposure to moderate space weather may have significant economic impact by slowly degrading vulnerable systems.
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 inEditors' Highlights
Cassini Reveals a Missing Link on Saturn’s Rotating Aurora
The bright aurorae dancing in the sky are produced by charged particles traveling along the magnetic field lines from tens of planetary radii. By why do aurorae rotate at Saturn but not at Earth?