Independent ground-based observations of the Moon confirm prior spacecraft observations that hydration at the lunar surface varies with temperature.
Space & Planets
Posted inEditors' Highlights
The Importance of Solar Lyman-alpha Emissions for Space Weather
Lyman-alpha emissions convey a major part of the solar-flare photon energy reaching Earth and play a significant role in flare-driven enhancements of ionospheric conductivity.
Posted inAGU News
Gopalswamy Receives 2019 Space Physics and Aeronomy Richard Carrington Education and Public Outreach Award
Nat “Gopal” Gopalswamy received the 2019 Space Physics and Aeronomy Richard Carrington (SPARC) Education and Public Outreach Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award is “presented annually to a senior scientist for significant impact on the public’s understanding of space physics and aeronomy through their education or outreach activities.”
Posted inAGU News
Vilas Receives 2019 Fred Whipple Award
Faith Vilas received the 2019 Fred Whipple Award at AGU’s Fall Meeting 2019, held 9–13 December in San Francisco, Calif. The award recognizes “significant contributions to the field of planetary science from a midcareer or senior scientist.”
Posted inEditors' Vox
Up Close with an Active Asteroid
A new journal special collection investigates the ejection of particles from the asteroid Bennu and the implications of these observations for asteroid science.
Posted inEditors' Highlights
First Model of Meteoric Nickel in the Upper Atmosphere
A layer of nickel of cosmic origin, which exists between 80 and 110 km high in Earth’s atmosphere, has been modeled for the first time, including dynamics and complex neutral and ion chemistry.
Posted inEditors' Highlights
A Whistle Here, There, and Everywhere on the Giant Planet
NASA’s Juno spacecraft is “hearing whistles” all over the place on Jupiter, a type of natural plasma waves called whistlers that are sometimes associated with atmospheric lightning.
Posted inAGU News
Bringing Satellite Observations Down to Earth
This month’s issue of Eos shows how scientists can sometimes get a better look at something by stepping far—much, much farther—away.
Posted inResearch Spotlights
Jupiter’s Ocean Moons Raise Tidal Waves on One Another
New research considers the effect of Jupiter’s Galilean moons on each other’s oceans for the first time.
Posted inEditors' Highlights
Self-Repairing Blemishes on the Surface of Mars
A new study of small impact craters at Mars landing sites suggests that active processes degrade and infill depressions at similar rates in locations separated by thousands of kilometers.