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Hace 3 días · Stellar black holes: Formed from collapsing massive stars. Their mass ranges from a few to tens of solar masses. Supermassive black holes: Found at the centers of galaxies. They possess masses equivalent to millions or billions of suns. Intermediate-mass black holes: These are less common and thought to form through the merging of stellar black ...
Hace 1 día · Title: Discovery of a dormant 33 solar-mass black hole in pre-release Gaia astrometry Authors: Gaia Collaboration (P. Panuzzo et al.) First Author’s Institution: GEPI, Observatoire de Paris, Université PSL, CNRS, Meudon, France Status: Accepted for publication in A&A Letters [open access] Over the last decade, ESA’s Gaia satellite has revolutionized our understanding of the Milky Way by ...
Hace 2 días · A black hole is a region of spacetime where gravity is so strong that nothing, not even light and other electromagnetic waves, is capable of possessing enough energy to escape it. Einstein's theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole.
Hace 5 días · The detection of gravitational waves has provided new ways to explore the laws of nature and the history of the Universe, including clues about the life story of black holes and the large stars...
Hace 5 días · The discovery could unlock secrets about the supermassive black hole's eating habits — and help reveal the true nature of some of the most mysterious objects lurking in the galactic center.
Hace 5 días · The technique, involving tracking X-ray flashes from these events, has revealed the spin of a nearby supermassive black hole to be less than 25% the speed of light. This new approach could help understand the evolutionary history of black holes across the universe.
Hace 5 días · Earlier this year a team of Australian astronomers identified the brightest known object in the Universe – a massive black hole surrounded by a gaseous "accretion disc" seven light years...
