Results 51 to 60 of about 135,263 (156)

Orbital Characterization of a Newly Discovered Small Satellite around Quaoar

The Astrophysical Journal Letters
Recent observations of a stellar occultation have revealed the presence of a previously undiscovered small satellite around Quaoar. Orbiting near Quaoar’s unusual ring system, this new satellite has the potential to provide significant insights into the ...
Benjamin Proudfoot, Richard Nolthenius, Bryan J. Holler, Ana Carolina de Souza-Feliciano, Flavia L. Rommel, Cameron Collyer, Will M. Grundy, Estela Fernández-Valenzuela   +7 more
doaj   +1 more source

Diachronous Accumulation of Mid‐Pleistocene Gravel Beds Driven by Tectonics Across the Tibetan Plateau

Geophysical Research Letters, Volume 52, Issue 7, 16 April 2025.
Abstract Deciphering how the widespread late Cenozoic conglomerates were formed across the Tibetan Plateau is crucial for understanding the competition between tectonics and climate. Here we target the mid‐Pleistocene conglomerate cap along the northern Saishiteng range (SR), North Tibet. 26Al/10Be burial dating constrains the onset accumulation of the
Yizhou Yang, Feng Cheng, Rongzhang Zheng, Luying Peng, Kexin Yi, Jiawei Wu, Zhaojie Guo   +6 more
wiley   +1 more source

Cryovolcanism on the icy satellites

, 1994
Evidence of past cryovolcanism is widespread and extremely varied on the icy satellites. Some cryovolcanic landscapes, notably on Triton, are similar to many silicate volcanic terrains, including what appear to be volcanic rifts, calderas and solidified ...
Kargel, J. S., J. S. Kargel
core   +1 more source

Dynamical Implications of the Recently Detected Feature around Quaoar and Constraints on the Presence of Additional Satellites

The Planetary Science Journal
A recently reported opaque feature in the Quaoar system, detected during the 2025 June 25 stellar occultation, has been interpreted as either an ∼15 km radius satellite or a dense, sharp-edged arc orbiting at about 5600–5900 km. Here, we investigate both
Gustavo Madeira, Leandro Esteves, Bruno E. Morgado, Paulo V. S. Soares, Silvia M. Giuliatti Winter, Othon C. Winter, Bruno S. Chagas   +6 more
doaj   +1 more source

Tidally influenced deposits in the Río Alías Strait connecting a marginal basin with the Mediterranean Sea (Pliocene, South‐East Spain)

The Depositional Record, Volume 11, Issue 1, Page 281-310, February 2025.
The Río Alias Strait was a ca 13 km long and 2 km wide, WNW to ESE oriented marine corridor that connected the microtidal open Mediterranean Sea and the north‐eastern margin of the Almería‐Níjar Basin in the eastern Betic Cordillera (South‐East Spain).
Fernando Sola, Ángel Puga‐Bernabéu, Juan C. Braga   +2 more
wiley   +1 more source

Stellar Occultation Observations of (38628) Huya and Its Satellite: A Detailed Look into the System

The Planetary Science Journal
The physical and orbital parameters of trans-Neptunian objects provide valuable information about the solar system’s formation and evolution. In particular, the characterization of binaries provides insights into the formation mechanisms that may be ...
F. L. Rommel, E. Fernández-Valenzuela, B. C. N. Proudfoot, J. L. Ortiz, B. E. Morgado, B. Sicardy, N. Morales, F. Braga-Ribas, J. Desmars, R. Vieira-Martins, B. J. Holler, Y. Kilic, W. Grundy, J. L. Rizos, J. I. B. Camargo, G. Benedetti-Rossi, A. Gomes-Júnior, M. Assafin, P. Santos-Sanz, M. Kretlow, M. Vara-Lubiano, R. Leiva, D. A. Ragozzine, R. Duffard, H. Kučáková, K. Hornoch, V. Nikitin, T. Santana-Ros, O. Canales-Moreno, D. Lafuente-Aznar, S. Calavia-Belloc, C. Perelló, A. Selva, F. Organero, L. A. Hernandez, I. de la Cueva, M. Yuste-Moreno, E. García-Navarro, J. E. Donate-Lucas, L. Izquierdo-Carrión, R. Iglesias-Marzoa, E. Lacruz, R. Gonçalves, B. Staels, R. Goossens, A. Henden, G. Walker, J. A. Reyes, S. Pastor, S. Kaspi, M. Skrutskie, A. J. Verbiscer, P. Martinez, P. André, J. L. Maestre, F. J. Aceituno, P. Bacci, M. Maestripieri, M. D. Grazia, A. J. Castro-Tirado, I. Pérez-Garcia, E. J. Fernández García, E. Fernández, S. Messner, G. Scarfi, H. Mikuž, J. Prat, P. Martorell, D. Nardiello, V. Nascimbeni, R. Sfair, P. B. Siqueira, V. Lattari, L. Liberato, T. F. L. L. Pinheiro, T. de Santana, C. L. Pereira, M. A. Alava-Amat, F. Ciabattari, H. González-Rodriguez, C. Schnabel   +80 more
doaj   +1 more source

Ceres: Organic‐Rich Sites of Exogenic Origin?

AGU Advances, Volume 6, Issue 1, February 2025.
Abstract Ceres, the largest object in the asteroid belt, is the only potential ocean world in the inner Solar System. Previous studies identified deposits of aliphatic organics in and around the Ernutet crater, and at small locations at Inamahari and Urvara craters. The origin of organics, either endogenic or exogenic, in these fresh exposures is still
R. Sarkar, A. Nathues, M. Hoffmann, E. Cloutis, K. Mengel, P. Singh, G. Thangjam, J. Hernandez, S. Karunatillake, M. Coutelier   +9 more
wiley   +1 more source

Beyond Point Masses. II. Non-Keplerian Shape Effects Are Detectable in Several TNO Binaries

The Astronomical Journal
About 40 trans-Neptunian binaries (TNBs) have fully determined orbits with about 10 others being solved except for breaking the mirror ambiguity. Despite decades of study, almost all TNBs have only ever been analyzed with a model that assumes perfect ...
Benjamin C. N. Proudfoot, Darin A. Ragozzine, Meagan L. Thatcher, Will Grundy, Dallin J. Spencer, Tahina M. Alailima, Sawyer Allen, Penelope C. Bowden, Susanne Byrd, Conner D. Camacho, Gibson H. Campbell, Edison P. Carlisle, Jacob A. Christensen, Noah K. Christensen, Kaelyn Clement, Benjamin J. Derieg, Mara K. Dille, Cristian Dorrett, Abigail L. Ellefson, Taylor S. Fleming, N. J. Freeman, Ethan J. Gibson, William G. Giforos, Jacob A. Guerrette, Olivia Haddock, S. Ashton Hammond, Zachary A. Hampson, Joshua D. Hancock, Madeline S. Harmer, Joseph R. Henderson, Chandler R. Jensen, David Jensen, Ryleigh E. Jensen, Joshua S. Jones, Cameron C. Kubal, Jacob N. Lunt, Stephanie Martins, McKenna Matheson, Dahlia Maxwell, Timothy D. Morrell, McKenna M. Myckowiak, Maia A. Nelsen, Spencer T. Neu, Giovanna G. Nuccitelli, Kayson M. Reardon, Austin S. Reid, Kenneth G. Richards, Megan R. W. Robertson, Tanner D. Rydalch, Conner B. Scoresby, Ryan L. Scott, Zacory D. Shakespear, Elliot A. Silveira, Grace C. Steed, Christiana Z. Suggs, Garrett D. Suggs, Derek M. Tobias, Matthew L. Toole, McKayla L. Townsend, Kade L. Vickers, Collin R. Wagner, Madeline S. Wright, Emma M. A. Zappala   +62 more
doaj   +1 more source

One Billion Years of Stability in the North American Midcontinent Following Two‐Stage Grenvillian Structural Inversion

Tectonics, Volume 43, Issue 9, September 2024.
Abstract The North American craton interior preserves a >1 Ga history of near surface processes that inform ongoing debates regarding timing and drivers of continental‐scale deformation and erosion associated with far‐field orogenesis. We tested various models of structural inversion on a major segment of the Midcontinent Rift along the Douglas Fault ...
Eben B. Hodgin, Nicholas L. Swanson‐Hysell, Andrew R. C. Kylander‐Clark, Andrew C. Turner, Daniel A. Stolper, Daniel E. Ibarra, Mark D. Schmitz, Yiming Zhang, Luke M. Fairchild, Anthony J. Fuentes   +9 more
wiley   +1 more source

Detection of Close Kuiper Belt Binaries with HST WFC3

The Planetary Science Journal
Binaries in the Kuiper Belt are common. Here we present our analysis of the Solar System Origins Legacy Survey (SSOLS) to show that using a point-spread function (PSF)-fitting method can roughly double the number of binaries identified in that data set ...
Simon B. Porter, Susan D. Benecchi, Anne J. Verbiscer, W. M. Grundy, Keith S. Noll, Alex H. Parker   +5 more
doaj   +1 more source