Results 31 to 40 of about 340 (114)

Preservation of Historically and Scientifically Important Geospatial Data From Venus

Earth and Space Science, Volume 13, Issue 3, March 2026.
Abstract A large volume of scientifically and historically important data from the early exploration of Venus is not widely available to researchers. Our work is focused on ameliorating this problem with the archival of geospatial data including radar, topography, and radiometry.
T. J. Austin, J. G. O'Rourke, D. M. Nelson   +2 more
wiley   +1 more source

Phase‐Space Synchronization Driven by Moon‐Magnetosphere Coupling in Gas Giants

Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.
Abstract We present a new theoretical framework to describe the rapid and spatially localized loss of energetic particles in planetary radiation belts, focusing on interactions between gas giant magnetospheres and their moons. Observations show that flux depletions—known as microsignatures—often refill on timescales comparable to a single drift period,
Adnane Osmane, Elias Roussos, Peter Kollmann   +2 more
wiley   +1 more source

JWST/NIRSpec Reveals the Atmospheric Driver of Saturn's Variable Magnetospheric Rotation Rate

Journal of Geophysical Research: Space Physics, Volume 131, Issue 3, March 2026.
Abstract Past measurements of Saturn's upper atmosphere have allowed only a broad scale view of the temperature and ion density structures within the auroral region. However, Saturn's auroral currents include a planetary period current component that is produced by neutral atmospheric flows.
Tom S. Stallard, Luke Moore, Henrik Melin, Chris G. A. Smith, Omakshi Agiwal, M. Nahid Chowdhury, Rosie E. Johnson, Katie L. Knowles, Emma M. Thomas, Paola I. Tiranti, James O’Donoghue, Khalid Mohamed, Ingo Mueller‐Wodarg, John C. Coxon, Sarah V. Badman, Joe A. Caggiano   +15 more
wiley   +1 more source

Aquatic Biodiversity of the Pampa Biome: Insights From a Scientometric and Systematic Perspective

Austral Ecology, Volume 51, Issue 3, March 2026.
ABSTRACT The Pampa biome, in South America, covers parts of Brazil, Uruguay, and Argentina. Its main characteristic is the predominance of grassland areas. The Pampa biome supports high biological diversity and a wide variety of ecosystems. In this study, we provide a comprehensive overview of biodiversity studies focusing on freshwater ecosystems of ...
Ana Paula Tavares Costa, Claudio Rossano Trindade Trindade, Isabella Menezes Pinzon, Julia Silva da Silva, Maria Gabrielle Rodrigues‐Maciel, Vitória Lima da Costa, Fabiana Schneck   +6 more
wiley   +1 more source

JWST Discovers the Vertical Structure of Uranus' Ionosphere

Geophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract On 19 January 2025, the James Webb Space Telescope (JWST) program # $\mathrm{\#}$5073 observed Uranus for almost a full rotation with NIRSpec. We present the first ever vertical ionospheric profiles of H3+ ${\mathrm{H}}_{3}^{+}$ temperature, volumetric density and total emission.
Paola I. Tiranti, H. Melin, L. Moore, E. M. Thomas, K. L. Knowles, T. S. Stallard, K. Roberts, J. O’Donoghue   +7 more
wiley   +1 more source

A Youthful Titan Implied by Improved Impact Simulations

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract The small number of impact craters found on Titan suggests that its surface is relatively young. Previous work estimated its surface age to be between 200 and 1000 Myr. This estimate, however, is based on crater scaling laws for water and sand, which are not representative of the composition of Titan's icy surface.
S. Wakita, B. C. Johnson, J. M. Soderblom, C. D. Neish   +3 more
wiley   +1 more source

The Cycles and Dynamical Properties of Convective Outbreaks in Jupiter's Highest Speed Jet From a 55‐Year Study

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Jupiter's most intense jet at planetographic latitude 23.7°N experiences vigorous planetary‐scale disturbances. The onset consists of the outbreak of 1–3 bright clouds of convective origin developing turbulent plumes. Observed events between 1970 and 2025 shows a cycle of activity with a period in the range of 3.8–5.1 yrs interrupted between ...
Agustín Sánchez‐Lavega, José Félix Rojas, Jon Legarreta, Alberto Mendi‐Martos, Ricardo Hueso, Peio Iñurrigarro, Amy A. Simon, Michael H. Wong, Liming Li   +8 more
wiley   +1 more source

Transient, Localized Flux Transport Revealed by Electron Microsignatures Downstream of Saturnian Moons

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract In Saturn's magnetosphere, the inward transport of magnetic flux is largely carried by localized injection flux tubes filled with warm, tenuous plasma, although their inflow speeds and spatio‐temporal properties remain poorly constrained. Here, we propose that these flux tubes can modify electron microsignatures, the small‐scale, absorption ...
Ya‐Ze Wu, Xu‐Zhi Zhou, Ze‐Fan Yin, Yi‐Xin Sun, Yi‐Xin Hao, Elias Roussos, Chao Yue, Qiu‐Gang Zong   +7 more
wiley   +1 more source

Atmospheric Ion‐Neutral Coupling as a Potential Driver for Saturn's Magnetospheric Antisunward Electric Field

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract Saturn's inner magnetosphere contains a weak antisunward electric field that has influenced a wide array of different aspects of the magnetospheric conditions in that region. Previously, these currents have been explained as being caused by magnetospheric drivers.
Tom S. Stallard
wiley   +1 more source

Detection of intact amino acids with a hypervelocity ice grain impact mass spectrometer. [PDF]

Proc Natl Acad Sci U S A, 2023
Burke SE, Auvil ZA, Hanold KA, Continetti RE.   +3 more
europepmc   +1 more source