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Artigo Acesso aberto Revisado por pares

Gaylor Wafflard-Fernandez, Geoffroy Lesur,

... launching protoplanetary disks. In particular, we focus on the planet’s ability to open a gap and produce ... the gravitational torque exerted by the disk onto the planet. Methods. We carried out high-resolution 3D global ... β 0 = 10 3 , with deeper gaps when the planet mass increases and when the initial magnetization decreases. ... in the outer disk, bringing material directly toward the planet poles. A planet gap is a privileged region ... torque due to the MHD wind responds to the planet presence in a way that leads to a ...

Tópico(s): Stellar, planetary, and galactic studies

2023 - EDP Sciences | Astronomy and Astrophysics

Artigo Acesso aberto Revisado por pares

С. И. Ипатов,

... 0.3 of the current masses of the planets. The arrays of orbital elements of migrated planetesimals were ... calculate the probabilities of their collisions with the planets, the Moon, or their embryos. As distinct from the ... on the process of accumulation of the terrestrial planets. The embryos of the terrestrial planets, the masses of which did not exceed a tenth ... differed by less than two times for these planets. The inner layers of each of the terrestrial planets ... the vicinity of the orbit of a certain planet. The outer layers of the Earth and Venus could ...

Tópico(s): Stellar, planetary, and galactic studies

2019 - Pleiades Publishing | Solar System Research

Artigo Acesso aberto Revisado por pares

S. C. C. Barros, O. D. S. Demangeon, D. J. Armstrong, E. Delgado Mena, L. Acuña, Jorge Fernández Fernández, M. Deleuil, Karen A. Collins, Steve B. Howell, Carl Ziegler, V. Adibekyan, S. G. Sousa, Keivan G. Stassun, Nolan Grieves, J. Lillo-Box, C. Hellier, P. J. Wheatley, César Briceño, Kevin I. Collins, Faith Hawthorn, S. Hoyer, J. S. Jenkins, N. Law, Andrew W. Mann, Rachel A. Matson, O. Mousis, Louise D. Nielsen, Ares Osborn, H. P. Osborn, Martin Paegert, Riccardo Papini, G. Ricker, A. A. Rudat, N. C. Santos, Sara Seager, Chris Stockdale, P. A. Strøm, Joseph D. Twicken, S. Udry, G. Wang, R. Vanderspek, Joshua N. Winn,

... g.cm^{-3}}$. From internal structure modelling of the planet, we conclude that the planet has either a water-rich envelope, a gas- ... of both. We have performed evaporation modelling of the planet. If we assume the planet has a gas-rich envelope, we find that the planet has lost a significant fraction of its envelope ... gaseous envelope in $\sim 0.52\,$ Gyr. Otherwise, the planet could have already lost all its primordial gas ... these two hypotheses. Such observations would determine if the planet remains above the radius gap or if it ...

Tópico(s): Astro and Planetary Science

2023 - EDP Sciences | Astronomy and Astrophysics

Artigo Acesso aberto Revisado por pares

Z. Garai, H. P. Osborn, D. Gandolfi, A. Brandeker, S. G. Sousa, M. Lendl, A. Bekkelien, C. Broeg, A. Collier Cameron, J. A. Egger, M. J. Hooton, Y. Alibert, L. Delrez, L. Fossati, Sébastien Salmon, T. G. Wilson, A. Bonfanti, A. Tuson, Solène Ulmer-Moll, L. M. Serrano, L. Borsato, R. Alonso, G. Anglada‐Escudé, J. Asquier, D. Barrado, S. C. C. Barros, T. Bárczy, W. Baumjohann, M. Beck, T. Beck, W. Benz, N. Billot, Federico Biondi, X. Bonfıls, M. Buder, J. Cabrera, V. Cessa, S. Charnoz, Sz. Csizmadia, Patricio E. Cubillos, M. B. Davies, M. Deleuil, O. D. S. Demangeon, Brice-Olivier Demory, D. Ehrenreich, A. Erikson, Vincent Van Eylen, A. Fortier, M. Fridlund, M. Gillon, V. Van Grootel, M. Güdel, Maximilian N. Günther, S. Hoyer, K. G. Isaak, L. L. Kiss, Martti H. Kristiansen, J. Laskar, A. Lecavelier des Étangs, C. Lovis, A. Luntzer, Demetrio Magrin, P. F. L. Maxted, C. Mordasini, V. Nascimbeni, G. Olofsson, R. Ottensamer, I. Pagano, Ε. Πάλλη, G. Peter, G. Piotto, D. Pollacco, D. Queloz, Roberto Ragazzoni, N. Rando, H. Rauer, I. Ribas, N. C. Santos, G. Scandariato, D. Ségransan, A. E. Simon, A. M. S. Smith, M. Steller, Gy. M. Szabó, N. Thomas, S. Udry, J. Venturini, N. A. Walton,

... properties of the system, especially the radii of the planets. Methods . We used the available TESS photometry of HD 22946 and observed several transits of the planets b, c, and d using CHEOPS. We identified ... we successfully determined the true orbital period of the planet d to be 47.42489 ± 0.00011 days, and derived precise radii of the planets in the system, namely 1.362 ± 0.040 ... HD 22946. We also derived stellar parameters for the host star. Conclusions . Planet c around HD 22946 appears to be a ...

Tópico(s): Astronomy and Astrophysical Research

2023 - EDP Sciences | Astronomy and Astrophysics

Artigo Acesso aberto Revisado por pares

Jochen Krattenmacher, Paula Casal, Jan Dutkiewicz, Élise Huchard, Edel Sanders, Nicolas Treich, Dinesh Joseph Wadiwel, Andrew Williams, Laurent Bègue, Adam P. A. Cardilini, Kristof Dhont, Julien Dugnoille, Romain Espinosa, Monica Gagliano, Denis Lairon, Mansi Maheta, Loriane Mendez, Piotr Nowicki, Thomas P. Quinn, Oliver Razum, William J. Ripple, Hank Rothgerber, Richard Twine,

... to reduced-meat diets that benefit people and the planet.Sci Total Environ. 2020; 718137208Crossref PubMed Scopus (56) ... to reduced-meat diets that benefit people and the planet.Sci Total Environ. 2020; 718137208Crossref PubMed Scopus (56) ... to reduced-meat diets that benefit people and the planet.Sci Total Environ. 2020; 718137208Crossref PubMed Scopus (56) ... to reduced-meat diets that benefit people and the planet.Sci Total Environ. 2020; 718137208Crossref PubMed Scopus (56) ... to reduced-meat diets that benefit people and the planet.Sci Total Environ. 2020; 718137208Crossref PubMed Scopus (56) ...

Tópico(s): Bioeconomy and Sustainability Development

2023 - Elsevier BV | The Lancet Planetary Health

Livro Acesso aberto

Miscellaneous Free eBooks

Artigo Revisado por pares

Barry Allen,

Book Review| August 01 2013 Masters of the Planet: The Search for Our Human Origins Tattersall, Ian, Masters of the Planet: The Search for Our Human Origins (New York: Palgrave ... Search Site Citation Barry Allen; Masters of the Planet: The Search for Our Human Origins. Common Knowledge 1 ...

Tópico(s): Space Science and Extraterrestrial Life

2013 - Duke University Press | Common Knowledge

Jornais Acesso aberto

J. S., S. LATIMER., H. D., FROM OUR OWN REPORTERS.), A CROTCHET., A LIVERYMAN., A SUBSCRIBER TO THE WELCH CHURCH IN LONDON., C. P., W. G., JAMES CORDER., ELLIS, EVERINGTON, AND CO., WILLIAM WILLENS., JOHN BESEMERES AND SONS.,

... On Wednesday James, State Of South Wales., THE PLANETS.-The three planets Jupiter, Sa-, The Revolution In Greece., Affair Of The Pontardulais Gate.. ...

1843 - Gale Group | TDA

Artigo Acesso aberto Revisado por pares

Kadin Worthen, Christine Chen, David R. Law, Cicero X. Lu, Kielan K. W. Hoch, Yiwei Chai, G. C. Sloan, B. A. Sargent, Jens Kammerer, Dean C. Hines, Isabel Rebollido, William O. Balmer, Marshall D. Perrin, D. M. Watson, Laurent Pueyo, J. H. Girard, C. M. Lisse, Christopher C. Stark,

... and present the first mid-infrared spectrum of the planet from 5 to 7 μ m. The planet’s spectrum is consistent with having absorption from ... photometry of β Pictoris b and find that the planet’s atmosphere likely has a substellar C/O ...

Tópico(s): Astrophysics and Star Formation Studies

2024 - IOP Publishing | The Astrophysical Journal

Monograph Acesso aberto

John Romanes,

Errata Slip Inserted.; Provenance: Solicitors Supreme Courts Library, Edin, Stamp.; The Burndy Library Collection at the Huntington Library. Book.

1891 - Gale Group | NCCO SciTechMed 2 of 2

Artigo Revisado por pares

Hongzheng Han, Hui Ma, Hongxu Tian, Zhike Peng, Jiazan Zhu, Zhanwei Li,

... center distances and tooth root crack fault of the planet gear. The time-varying meshing stiffness (TVMS) caused by the crack fault of the planet gear and the radial assembly error of the ... the output shaft and the crack fault of the planet gear is obtained. Based on the distribution law ... the accuracy of diagnosing the crack fault of the planet gear under the influence of the radial assembly error of the ...

Tópico(s): Tribology and Lubrication Engineering

2023 - Elsevier BV | Mechanical Systems and Signal Processing

Artigo Acesso aberto Revisado por pares

Steven J. Cooke, Abigail J. Lynch, David Tickner, Robin Abell, Tatenda Dalu, Kathryn J. Fiorella, Rajeev Raghavan, Ian Harrison, Sonja C. Jähnig, Derek Vollmer, Stephen R. Carpenter,

... biodiversity are considered among the most threatened on the planet, with average declines of approximately 83% in the ... some of the most food insecure people on the planet, as well as recreational benefits and many cultural ... health as a nested cross-scale approach from the planet to the watershed. Planetary health is now at ... reversing the freshwater biodiversity crisis for people and the planet. But a crucial part of any large-scale approach to planetary health of freshwater ecosystems includes ensuring that nations and regions have the capacity to conduct their own monitoring at the ...

Tópico(s): Child Nutrition and Water Access

2024 - Elsevier BV | The Lancet Planetary Health

Livro

Project Gutenberg

Artigo

G. A. Briggs, F. W. Taylor,

... is considered along with the formation of the planets, the evolution of the planets, the surfaces of solid planets, and the atmosphere of ... of Mars illustrates the geographic features of this planet. The map was produced with the aid of Mariner ...

Tópico(s): Archaeology and ancient environmental studies

1985 - AIP Publishing | Physics Today