Results 51 to 60 of about 133,760 (131)

Ariel’s Medial Grooves: Spreading Centers on a Candidate Ocean World

open access: yesThe Planetary Science Journal
We present evidence that Ariel's massive chasma-medial groove systems formed via spreading, where internally sourced material ascended and formed new crust.
Chloe B. Beddingfield   +4 more
doaj   +1 more source

Internal Heat Flux and Energy Imbalance of Uranus

open access: yesGeophysical Research Letters, Volume 52, Issue 14, 28 July 2025.
Abstract With its extreme axial tilt, Uranus' radiant energy budget (REB) and internal heat flux remain among the most intriguing mysteries in our solar system. By combining observations with modeling, we present the global REB over a complete orbital period (1946–2030), revealing significant seasonal variations.
Xinyue Wang   +15 more
wiley   +1 more source

Variation of Model‐Predicted Reconnection Voltages Applied to Uranus' Dayside Magnetosphere

open access: yesJournal of Geophysical Research: Space Physics, Volume 130, Issue 6, June 2025.
Abstract Uranus provides a key missing piece for fundamentally understanding solar wind‐magnetospheric interactions due to its location in the outer solar system. Whether the viscous‐like interaction overtakes global magnetic reconnection as the dominant process at the magnetopause of the outer planets remains unresolved.
S. Zomerdijk‐Russell   +2 more
wiley   +1 more source

Cratering and Tectonic History of the Largest Uranian Satellite, Titania: New Insights Enabled by Image Reprocessing

open access: yesThe Planetary Science Journal
From heavily cratered Umbriel to extensively tectonized Miranda, Titania is an intermediary of the Uranian system: heavily cratered, yet tectonically modified. An outstanding mystery in Titania's crater population is its apparent relative lack of large (>
Erica Nathan   +2 more
doaj   +1 more source

Tracing the Source of Carbon Oxides on the Large Moons of Uranus

open access: yesThe Planetary Science Journal
The Uranian moons Ariel, Umbriel, Titania, and Oberon are enriched in CO _2 mixed with CO, but the origin(s) of these carbon oxides, be they primarily native or radiolytic, remain(s) uncertain.
Richard J. Cartwright   +17 more
doaj   +1 more source

Properties of the Irregular Satellite System around Uranus Inferred from K2, Herschel, and Spitzer Observations [PDF]

open access: yes, 2017
In this paper, we present visible-range light curves of the irregular Uranian satellites Sycorax, Caliban, Prospero, Ferdinand, and Setebos taken with the Kepler Space Telescope over the course of the K2 mission.
Mommert, M.   +51 more
core   +1 more source

Control of colocated geostationary satellites [PDF]

open access: yes, 1996
Control of the inter-satellite distances within a cluster of colocated satellites located in the same GEO window is examined with regards to the close approaches between pairs of satellites. Firstly, the orbital evolution and station keeping control of a
Hardacre, S.
core   +3 more sources

The discovery of faint irregular satellites of Uranus

open access: yes, 2004
We report the discovery of four new uranian irregular satellites in our deep, mR 3c25.4, optical search around that planet. The orbital properties of these satellites are diverse.
Nicholson, P. D.   +14 more
core   +1 more source

Sexuality, Socialism & Sandals: Studying the Obsolescence of Uranian Epistemology, 1867-1933

open access: yes, 2020
This theses examines the history of the word "uranian" and its place in modern LGBTQ studies. I compare the ideologies revolving around uranianism, and its progression from its creator Karl Heinrich Ulrichs to their successors, Magnus Hirschfeld, and ...
Rocca, Finnley
core   +1 more source

JWST Reveals the Kuiper Belt–like Compositions of the Uranian Rings and Small Moons

open access: yesThe Astrophysical Journal Letters
We present the JWST NIRSpec 1–5 μ m spectra of the Uranian rings and four ring moons: Puck, Perdita, Portia, and Juliet. We find that the compositions of the rings and moons strongly resemble water-type Kuiper Belt objects, showing deep 3.0 μ m O–H and ...
Matthew Belyakov   +4 more
doaj   +1 more source

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