Infrared observations reveal that Jupiter’s upper atmosphere is much warmer than models predict. The discovery may be a clue to finding missing heat sources in other giant planets.
Origin of Dawnside Subauroral Plasma Flows in Geomagnetic Storms￼
Geomagnetic storms induce fast plasma flows next to the aurora and affect space weather. Lin et al. explain the origin of a special “dawnside” plasma stream that occurs only during extreme storm events.
From SAR Arc to STEVE: An Atmospheric Evolution
A new study reports the first observation of a stable auroral red arc evolving into a strong thermal emission velocity enhancement during a geomagnetic storm.
Allen Foster: Greasing Telescope Gears During a 7-Month-Long Night
While overwintering in Antarctica, Foster maintains the South Pole Telescope facilities.
Uncovering the Mysterious STEVE Aurora
Scientists present the first direct observations on the rapid evolution of a bright red auroral arc into a thin white-mauve arc known as STEVE.
Can Aurora Enhance Radar Monitoring of Arctic Aviation?
Enhanced E-region ionization produced by the aurora can be used to reflect signals from over-the-horizon radars and thus enable those radars to better monitor aviation in Arctic regions.
Converting Auroral Observations into 3D Structures
Using 1D and 2D data sources as model constraints yields fine-scale insights into real-world aurorae.
Hidden Atmospheric Particles Sculpt Near-Earth Space Environment
Charged particles escape our atmosphere following Earth’s magnetic field and constitute a main source of matter that modulates Sun-Earth interactions.
Could Low-Altitude Reconnection Power Jupiter’s Polar Aurorae?
Magnetic reconnection events less than 2 Jovian radii above the planet’s cloud tops could explain why Juno has yet to observe a source for Jupiter’s polar aurore.
Filling the Gaps in the SuperDARN Archive
Researchers present a new pattern-finding technique to better estimate missing data on ionospheric plasma velocities.