The start of the birth of planets in a binary star system observed

Journal Reference: John J. Tobin, Stella S. R. Offner, Kaitlin M. Kratter, S. Thomas Megeath, Patrick D. Sheehan, Leslie W. Looney, Ana Karla Diaz-Rodriguez, Mayra Osorio, Guillem Anglada, Sarah I. Sadavoy, Elise Furlan, Dominique Segura-Cox, Nicole Karnath, Merel L. R. van ’t Hoff, Ewine F. van Dishoeck, Zhi-Yun Li, Rajeeb Sharma, Amelia M. Stutz, Łukasz … Read more

Even dying stars can still give birth to planets

Journal Reference: J. Kluska, H. Van Winckel, Q. Coppée, G.-M. Oomen, K. Dsilva, D. Kamath, V. Bujarrabal, M. Min. A population of transition disks around evolved stars: Fingerprints of planets. Astronomy & Astrophysics, 2022; 658: A36 DOI: 10.1051/0004-6361/202141690 Planets such as Earth, and all other planets in our solar system, were formed not long after … Read more

Earth isn’t ‘tremendous’ because the sun had rings before planets

Journal Reference: Andre Izidoro, Rajdeep Dasgupta, Sean N. Raymond, Rogerio Deienno, Bertram Bitsch, Andrea Isella. Planetesimal rings as the cause of the Solar System’s planetary architecture. Nature Astronomy, 2021; DOI: 10.1038/s41550-021-01557-z “In the solar system, something happened to prevent the Earth from growing to become a much larger type of terrestrial planet called a super-Earth,” … Read more

70 new rogue planets discovered in our galaxy

Journal Reference: Núria Miret-Roig, Hervé Bouy, Sean N. Raymond, Motohide Tamura, Emmanuel Bertin, David Barrado, Javier Olivares, Phillip A. B. Galli, Jean-Charles Cuillandre, Luis Manuel Sarro, Angel Berihuete, Nuria Huélamo. A rich population of free-floating planets in the Upper Scorpius young stellar association. Nature Astronomy, 2021; DOI: 10.1038/s41550-021-01513-x “We did not know how many to … Read more