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A remnant planetary core in the hot-Neptune desert 期刊论文
NATURE, 2020, 583 (7814) : 39-+
作者:  David J. Armstrong;  Thé;  o A. Lopez;  Vardan Adibekyan;  Richard A. Booth;  Edward M. Bryant;  Karen A. Collins;  Magali Deleuil;  Alexandre Emsenhuber;  Chelsea X. Huang;  George W. King;  Jorge Lillo-Box;  Jack J. Lissauer;  Elisabeth Matthews;  Olivier Mousis;  Louise D. Nielsen;  Hugh Osborn;  Jon Otegi;  Nuno C. Santos;  ;  rgio G. Sousa;  Keivan G. Stassun;  Dimitri Veras;  Carl Ziegler;  Jack S. Acton;  Jose M. Almenara;  David R. Anderson;  David Barrado;  Susana C. C. Barros;  Daniel Bayliss;  Claudia Belardi;  Francois Bouchy;  ;  sar Briceñ;  o;  Matteo Brogi;  David J. A. Brown;  Matthew R. Burleigh;  Sarah L. Casewell;  Alexander Chaushev;  David R. Ciardi;  Kevin I. Collins;  Knicole D. Coló;  n;  Benjamin F. Cooke;  Ian J. M. Crossfield;  Rodrigo F. Dí;  az;  Elisa Delgado Mena;  Olivier D. S. Demangeon;  Caroline Dorn;  Xavier Dumusque;  Philipp Eigmü;  ller;  Michael Fausnaugh;  Pedro Figueira;  Tianjun Gan;  Siddharth Gandhi;  Samuel Gill;  Erica J. Gonzales;  Michael R. Goad;  Maximilian N. Gü;  nther;  Ravit Helled;  Saeed Hojjatpanah;  Steve B. Howell;  James Jackman;  James S. Jenkins;  Jon M. Jenkins;  Eric L. N. Jensen;  Grant M. Kennedy;  David W. Latham;  Nicholas Law;  Monika Lendl;  Michael Lozovsky;  Andrew W. Mann;  Maximiliano Moyano;  James McCormac;  Farzana Meru;  Christoph Mordasini;  Ares Osborn;  Don Pollacco;  Didier Queloz;  Liam Raynard;  George R. Ricker;  Pamela Rowden;  Alexandre Santerne;  Joshua E. Schlieder;  Sara Seager;  Lizhou Sha;  Thiam-Guan Tan;  Rosanna H. Tilbrook;  Eric Ting;  Sté;  phane Udry;  Roland Vanderspek;  Christopher A. Watson;  Richard G. West;  Paul A. Wilson;  Joshua N. Winn;  Peter Wheatley;  Jesus Noel Villasenor;  Jose I. Vines;  Zhuchang Zhan
收藏  |  浏览/下载:18/0  |  提交时间:2020/07/06

The interiors of giant planets remain poorly understood. Even for the planets in the Solar System, difficulties in observation lead to large uncertainties in the properties of planetary cores. Exoplanets that have undergone rare evolutionary processes provide a route to understanding planetary interiors. Planets found in and near the typically barren hot-Neptune '  desert'  (1,2)(a region in mass-radius space that contains few planets) have proved to be particularly valuable in this regard. These planets include HD149026b(3), which is thought to have an unusually massive core, and recent discoveries such as LTT9779b(4)and NGTS-4b(5), on which photoevaporation has removed a substantial part of their outer atmospheres. Here we report observations of the planet TOI-849b, which has a radius smaller than Neptune'  s but an anomalously large mass of39.1-2.6+2.7Earth masses and a density of5.2-0.8+0.7grams per cubic centimetre, similar to Earth'  s. Interior-structure models suggest that any gaseous envelope of pure hydrogen and helium consists of no more than3.9-0.9+0.8 per cent of the total planetary mass. The planet could have been a gas giant before undergoing extreme mass loss via thermal self-disruption or giant planet collisions, or it could have avoided substantial gas accretion, perhaps through gap opening or late formation(6). Although photoevaporation rates cannot account for the mass loss required to reduce a Jupiter-like gas giant, they can remove a small (a few Earth masses) hydrogen and helium envelope on timescales of several billion years, implying that any remaining atmosphere on TOI-849b is likely to be enriched by water or other volatiles from the planetary interior. We conclude that TOI-849b is the remnant core of a giant planet.


Observations of TOI-849b reveal a radius smaller than Neptune'  s but a large mass of about 40 Earth masses, indicating that the planet is the remnant core of a gas giant.


  
From eDNA to citizen science: emerging tools for the early detection of invasive species 期刊论文
FRONTIERS IN ECOLOGY AND THE ENVIRONMENT, 2020, 18 (4) : 194-202
作者:  Larson, Eric R.;  Graham, Brittney M.;  Achury, Rafael;  Coon, Jaime J.;  Daniels, Melissa K.;  Gambrell, Daniel K.;  Jonasen, Kacie L.;  King, Gregory D.;  LaRacuente, Nicholas;  Perrin-Stowe, Tolulope I. N.;  Reed, Emily M.;  Rice, Christopher J.;  Ruzi, Selina A.;  Thairu, Margaret W.;  Wilson, Jared C.;  Suarez, Andrew, V
收藏  |  浏览/下载:10/0  |  提交时间:2020/05/13
Reviewing the past, present and potential lizard faunas of New Zealand cities 期刊论文
LANDSCAPE AND URBAN PLANNING, 2019, 192
作者:  Woolley, Christopher K.;  Hartley, Stephen;  Hitchmough, Rod A.;  Innes, John G.;  van Heezik, Yolanda;  Wilson, Deborah J.;  Nelson, Nicola J.
收藏  |  浏览/下载:9/0  |  提交时间:2020/02/17
Biodiversity conservation  Geckos  Restoration  Skinks  Squamates  Urban  
Comment on "The global tree restoration potential" 期刊论文
SCIENCE, 2019, 366 (6463)
作者:  Veldman, Joseph W.;  Aleman, Julie C.;  Alvarado, Swanni T.;  Anderson, T. Michael;  Archibald, Sally;  Bond, William J.;  Boutton, Thomas W.;  Buchmann, Nina;  Buisson, Elise;  Canadell, Josep G.;  Dechoum, Michele de Sa;  Diaz-Toribio, Milton H.;  Durigan, Giselda;  Ewel, John J.;  Fernandes, G. Wilson;  Fidelis, Alessandra;  Fleischman, Forrest;  Good, Stephen P.;  Griffith, Daniel M.;  Hermann, Julia-Maria;  Hoffmann, William A.;  Le Stradic, Soizig;  Lehmann, Caroline E. R.;  Mahy, Gregory;  Nerlekar, Ashish N.;  Nippert, Jesse B.;  Noss, Reed F.;  Osborne, Colin P.;  Overbeck, Gerhard E.;  Parr, Catherine L.;  Pausas, Juli G.;  Pennington, R. Toby;  Perring, Michael P.;  Putz, Francis E.;  Ratnam, Jayashree;  Sankaran, Mahesh;  Schmidt, Isabel B.;  Schmitt, Christine B.;  Silveira, Fernando A. O.;  Staver, A. Carla;  Stevens, Nicola;  Still, Christopher J.;  Stromberg, Caroline A. E.;  Temperton, Vicky M.;  Varner, J. Morgan;  Zaloumis, Nicholas P.
收藏  |  浏览/下载:16/0  |  提交时间:2019/11/27
Kilauea lava fuels phytoplankton bloom in the North Pacific Ocean 期刊论文
SCIENCE, 2019, 365 (6457) : 1040-+
作者:  Wilson, Samuel T.;  Hawco, Nicholas J.;  Armbrust, E. Virginia;  Barone, Benedetto;  Bjorkman, Karin M.;  Boysen, Angela K.;  Burgos, Macarena;  Burrell, Timothy J.;  Casey, John R.;  DeLong, Edward F.;  Dugenne, Mathilde;  Dutkiewicz, Stephanie;  Dyhrman, Sonya T.;  Ferron, Sara;  Follows, Michael J.;  Foreman, Rhea K.;  Funkey, Carolina P.;  Harke, Matthew J.;  Henke, Britt A.;  Hill, Christopher N.;  Hynes, Annette M.;  Ingalls, Anitra E.;  Jahn, Oliver;  Kelly, Rachel L.;  Knapp, Angela N.;  Letelier, Ricardo M.;  Ribalet, Francois;  Shimabukuro, Eric M.;  Tabata, Ryan K. S.;  Turk-Kubo, Kendra A.;  White, Angelicque E.;  Zehr, Jonathan P.;  John, Seth;  Karl, David M.
收藏  |  浏览/下载:13/0  |  提交时间:2019/11/27
Scavenging in the Anthropocene: Human impact drives vertebrate scavenger species richness at a global scale 期刊论文
GLOBAL CHANGE BIOLOGY, 2019, 25 (9) : 3005-3017
作者:  Sebastian-Gonzalez, Esther;  Magalhaes Barbosa, Jomar;  Perez-Garcia, Juan M.;  Morales-Reyes, Zebensui;  Botella, Francisco;  Olea, Pedro P.;  Mateo-Tomas, Patricia;  Moleon, Marcos;  Hiraldo, Fernando;  Arrondo, Eneko;  Donazar, Jose A.;  Cortes-Avizanda, Ainara;  Selva, Nuria;  Lambertucci, Sergio A.;  Bhattacharjee, Aishwarya;  Brewer, Alexis;  Anadon, Jose D.;  Abernethy, Erin;  Rhodes, Olin E., Jr.;  Turner, Kelsey;  Beasley, James C.;  DeVault, Travis L.;  Ordiz, Andres;  Wikenros, Camilla;  Zimmermann, Barbara;  Wabakken, Petter;  Wilmers, Christopher C.;  Smith, Justine A.;  Kendall, Corinne J.;  Ogada, Darcy;  Buechley, Evan R.;  Frehner, Ethan;  Allen, Maximilian L.;  Wittmer, Heiko U.;  Butler, James R. A.;  du Toit, Johan T.;  Read, John;  Wilson, David;  Jerina, Klemen;  Krofel, Miha;  Kostecke, Rich;  Inger, Richard;  Samson, Arockianathan;  Naves-Alegre, Lara;  Sanchez-Zapata, Jose A.
收藏  |  浏览/下载:12/0  |  提交时间:2019/11/27
carrion  climate  human footprint  latitudinal hypothesis  species diversity  
Investigating the predictability of North Atlantic sea surface height 期刊论文
CLIMATE DYNAMICS, 2019, 53: 2175-2195
作者:  Fraser, Robert;  Palmer, Matthew;  Roberts, Christopher;  Wilson, Chris;  Copsey, Dan;  Zanna, Laure
收藏  |  浏览/下载:10/0  |  提交时间:2019/11/27
North Atlantic Ocean  Sea surface height  Internal variability  Predictability  Optimal initial conditions  Statistical forecasting  
Punching above their weight: the ecological and social benefits of pop-up parks 期刊论文
FRONTIERS IN ECOLOGY AND THE ENVIRONMENT, 2019, 17 (6) : 341-347
作者:  Mata, Luis;  Garrard, Georgia E.;  Fidler, Fiona;  Ives, Christopher D.;  Maller, Cecily;  Wilson, Joab;  Thomas, Freya;  Bekessy, Sarah A.
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/27
Obesity remodels activity and transcriptional state of a lateral hypothalamic brake on feeding 期刊论文
SCIENCE, 2019, 364 (6447) : 1271-+
作者:  Rossi, Mark A.;  Basiri, Marcus L.;  McHenry, Jenna A.;  Kosyk, Oksana;  Otis, James M.;  van den Munkhof, Hanna E.;  Bryois, Julien;  Hubel, Christopher;  Breen, Gerome;  Guo, Wilson;  Bulik, Cynthia M.;  Sullivan, Patrick F.;  Stuber, Garret D.
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/27
A planetesimal orbiting within the debris disc around a white dwarf star 期刊论文
SCIENCE, 2019, 364 (6435) : 66-+
作者:  Manser, Christopher J.;  Gansicke, Boris T.;  Eggl, Siegfried;  Hollands, Mark;  Izquierdo, Paula;  Koester, Detlev;  Landstreet, John D.;  Lyra, Wladimir;  Marsh, Thomas R.;  Meru, Farzana;  Mustill, Alexander J.;  Rodriguez-Gil, Pablo;  Toloza, Odette;  Veras, Dimitri;  Wilson, David J.;  Burleigh, Matthew R.;  Davies, Melvyn B.;  Farihi, Jay;  Fusillo, Nicola Gentile;  de Martino, Domitilla;  Parsons, Steven G.;  Quirrenbach, Andreas;  Raddi, Roberto;  Reffert, Sabine;  Del Santo, Melania;  Schreiber, Matthias R.;  Silvotti, Roberto;  Toonen, Silvia;  Villaver, Eva;  Wyatt, Mark;  Xu, Siyi;  Zwart, Simon Portegies
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/27