Results 21 to 30 of about 4,026 (203)

Linking Uranus’ temperature profile to wind-induced magnetic fields [PDF]

, 2021
The low luminosity of Uranus is still a puzzling phenomenon and has key implications for the thermal and compositional gradients within the planet. Recent studies have shown that planetary volatiles become ionically conducting under conditions that are ...
Soyuer, Deniz; https://orcid.org/, Helled, Ravit   +1 more
core   +1 more source

Pitch-angle diffusion coefficients from resonant interactions with electrostatic electron cyclotron harmonic waves in planetary magnetospheres [PDF]

Annales Geophysicae, 2011
Pitch-angle diffusion coefficients have been calculated for resonant interaction with electrostatic electron cyclotron harmonic (ECH) waves in the magnetospheres of Earth, Jupiter, Saturn, Uranus and Neptune.
A. K. Tripathi, R. P. Singhal, K. P. Singh   +2 more
doaj   +1 more source

Temporal and Seasonal Evolution of Uranus' Exosphere

, 2021
International audienceUranus' thermospheric temperature has been observed to decrease with time since 1990. The effect of this steady cooling on its exospheric density distribution and escape is yet to be determined.
Moore, Luke, Bhattacharyya, Dolon, Clarke, John, Melin, Henrik, Chaufray, Jean-Yves   +4 more
core   +1 more source

The Orbits of Uranus, Its Satellites and Rings, the Gravity Field of the Uranian System, and the Orientation of the Poles of Uranus and Its Satellites

The Astronomical Journal
R. A. Jacobson determined the orbits of the Uranian satellites, the masses of Uranus and its satellites, and the orientation of the pole of Uranus from Earth-based astrometry, Earth-based ring occultations, and observations acquired with the Voyager 2 ...
Robert A. Jacobson, Ryan S. Park
doaj   +1 more source

Chemical and Isotopic Composition Measurements on Atmospheric Probes Exploring Uranus and Neptune [PDF]

, 2020
So far no designated mission to either of the two ice giants, Uranus and Neptune,exists. Almost all of our gathered information on these planets comes from remote sensing.In recent years, NASA and ESA have started planning for future mission to Uranus ...
Waite, Hunter, Wurz, Peter, Vorburger, Audrey   +2 more
core   +1 more source

Predictions of Auroral Electron Precipitation and Joule Heating at Uranus

Geophysical Research Letters
The precipitation of electrons and Joule heating are key processes through which energy is transferred from Uranus' magnetosphere to its upper atmosphere. These processes drive atmospheric ionization, thermospheric heating, and auroral emission at Uranus.
Daniel J. Gershman, George Clark
doaj   +1 more source

Preliminary Proof of the Feasibility of a Novel Mission Concept and Spacecraft Trajectory for Exploring Uranus with Small Satellites

Aerospace
Following recommendations from the 2023–2032 Planetary Science and Astrobiology Decadal Survey, we propose a novel Uranus exploration mission that is centered on using constellations of small spacecraft to observe the Uranus system.
Dylan Barnes, Paula do Vale Pereira
doaj   +1 more source

Terrestrial Analogs to Titan for Geophysical Research

Reviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon, Samuel Birch, Audrey Chatain, Charles Cockell, Kendra K. Farnsworth, Peter M. Higgins, Stéphane Le Mouélic, Rosaly M. C. Lopes, Michael J. Malaska, Mohit Melwani Daswani, Kelly E. Miller, Catherine D. Neish, Olaf G. Podlaha, Jani Radebaugh, Lauren R. Schurmeier, Ashley Schoenfeld, Krista M. Soderlund, Anezina Solomonidou, Christophe Sotin, Nicholas A. Teanby, Tetsuya Tokano, Steven D. Vance   +21 more
wiley   +1 more source

A Localized and Surprising Source of Energetic Ions in the Uranian Magnetosphere Between Miranda and Ariel

Geophysical Research Letters, 2023
In situ exploration of Uranus has been limited to a single flyby encounter by the Voyager 2 spacecraft in January 1986. Nonetheless, new investigation has led to significant questions about the origin of energetic ions observed in the region between its ...
Ian J. Cohen, Drew L. Turner, Peter Kollmann, George B. Clark, Matthew E. Hill, Leonardo H. Regoli, Daniel J. Gershman   +6 more
doaj   +1 more source

On the Detection of Low‐Frequency Planetary Radio Emission With an Orbiting Interferometer

Radio Science, Volume 61, Issue 6, June 2026.
Abstract The magnetized planets of the outer Solar System produce kilometric radio emissions at very low frequencies (<1 ${< } 1\,$MHz). They reveal the planetary magnetic dynamics and their interaction with the solar wind. Those radio emissions can also serve as a proxy for interplanetary space weather monitoring.
E. Rouillé, B. Cecconi, B. Segret, J. N. Girard, A. Loh   +4 more
wiley   +1 more source