Order ZTE Blade V30 on OZON: https://bit.ly/33VQlFi Although black holes are today the most widely accepted explanation for the compact objects that we observe in the Universe, black holes have their own problems. Therefore, there are alternative hypotheses that try to replace black holes with other objects, and thus solve these problems. In this issue, we will talk about such alternatives to black holes. For advertising and cooperation inquiries [email protected] Telegram channel Cosmos Prosto: https://t.me/cosmosprosto VK Cosmos Prosto: https://vk.com/cosmosprosto Support the project “Cosmos Prosto”: Patreon: / cosmosprosto Yandex Money: https://money.yandex.ru/to/4100128004... Donation Alerts: http://www.donationalerts.ru/r/endgvard Paypal: https://www.paypal.me/cosmosprosto My video about how we decided that black holes exist • How did we decide that black holes exist... My video about the information paradox • The main paradox of black holes My video about boson stars • Can transparent stars exist? 00:00 - Start 02:18 - Integration 03:56 - Where do alternatives come from 08:43 - Black stars 14:28 - Dark energy stars, Gravastars 18:35 - Planck stars, String ball, Q-stars, Boson stars 24:48 - Announcements 25:57 - Cool story, bro Sources: Formation of black holes https://arxiv.org/ftp/arxiv/papers/16... https://mcdonaldobservatory.org/news/... Semiclassical gravity https://phys.org/news/2013-05-semicla... Alternatives https://skyandtelescope.org/astronomy... https://www.science.org/doi/10.1126/s... https://cds.cern.ch/record/2663096/fi... Black Star https://arxiv.org/pdf/0712.1130.pdf https://physics.ucf.edu/~britt/AST200... Dark Energy https://science.nasa.gov/astrophysics... https://earthsky.org/space/definition... Dark-energy star https://arxiv.org/ftp/astro-ph/papers... https://www.nature.com/articles/news0... https://nautil.us/blog/are-black-hole... https://www.sciencedirect.com/science... https://www.slac.stanford.edu/econf/C... https://arxiv.org/pdf/2103.15393.pdf Gravastar https://www.worldscientific.com/doi/a... https://arxiv.org/abs/2010.05354 https://arxiv.org/abs/0706.1513 https://futurism.com/the-gravastar-an... https://www.scientificamerican.com/ar... Planck star https://arxiv.org/pdf/1401.6562.pdf https://interestingengineering.com/a-... https://futurism.com/what-are-planck-... https://phys.org/news/2014-02-astroph... https://astronomy.swin.edu.au/cosmos/... Fuzzballs https://www.quantamagazine.org/how-fu... https://www.livescience.com/string-th... Q-star (Grey hole) https://arxiv.org/pdf/astro-ph/970806... https://arxiv.org/pdf/astro-ph/020727... Boson stars https://www.sciencealert.com/there-co...