Recalibrated and reanalyzed data from the Voyager flybys of Jupiter 40 years ago, presented in a series of papers in JGR: Space Physics, show the value of archival data.
satellites
Posted inResearch Spotlights
Blending Satellite Data to Monitor Agricultural Water Use
A new technique that merges data gathered by multiple satellites can be used to monitor agricultural water use and improve water quality assessments around the globe.
Posted inScience Updates
Tracking River Flows from Space
Satellite observations, combined with algorithms borrowed from river engineering, could fill large gaps in our knowledge of global river flows where field data are lacking.
Posted inResearch Spotlights
For Magnetic Reconnection Energy, O—not X—Might Mark the Spot
A new analysis of satellite data could upend conventional wisdom about how solar storms produce their dangerous radiation—not from X-shaped mergers of magnetic field lines but from swirling vortices.
Posted inResearch Spotlights
How Lightning Creates "Killer Electrons" in Earth's Radiation Belts
New calculations show that lightning-triggered plasma waves in Earth's magnetosphere absorb energy from slow particles and energize electrons to levels that can damage satellites severely.
Posted inNews
GOES-16 Satellite Lights Up Lightning Flashes in New Video
The satellite's lightning mapper instrument will help scientists forecast extreme weather.
Posted inEditors' Vox
Global Positioning System Sparks New Data Revolution
Energetic particle data from the Global Positioning System constellation opens avenues for new research.
Posted inScience Updates
Transforming Satellite Data into Weather Forecasts
A NASA project spans the gap between research and operations, introducing new composites of satellite imagery to weather forecasters to prepare for the next generation of satellites.
Posted inOpinions
Why We Must Tie Satellite Positioning to Tide Gauge Data
Accurate measurements of changes in sea and land levels with location and time require making precise, repeated geodetic ties between tide gauges and satellite positioning system equipment.
Posted inNews
The Curious Case of Titan’s Missing Clouds
Two instruments, one region on Titan: One instrument saw clouds, the other didn't—what's going on?