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Há 3 dias · We use the cosmological magneto-hydrodynamical simulation TNG50 to study the relationship between black hole feedback, the presence of stellar bars, and star formation quenching in Milky Way-like disc galaxies. Of our sample of 198 discs, about 63 per cent develop stellar bars that last until z=0. After the formation of their bars, the majority of these galaxies develop persistent 3-15 kpc ...
21 de ago. de 2024 · That's why it's black! This circle is known as the event horizon. An event horizon is probably what you are thinking of when you think of a black hole. What would happen, you might wonder, if we took a spacecraft near a black hole’s event horizon? The answer—spaghettification! That’s the technical term, at least.
16 de ago. de 2024 · New black hole images reveal a glowing, fluffy ring and a high-speed jet The observations will help astronomers pin down the physics of the plasma around black holes. April 26, 2023
Há 4 dias · When galaxies collide their black holes merge into one giant black hole. Nearly all galaxies contain supermassive black holes in their centers. The Hubble Space Telescope and the Chandra X-ray Observatory looked in the heart of a pair of colliding galaxies and uncovered twin supermassive black holes waltzing around each other.
Há 1 dia · Rachel Reeves has warned of a £22 billion ‘black hole’ in the public finances. But the reports published today by the Office for Budget Responsibility and Lord Darzi show that the real black hole is far larger – and driven by the cavernous gap between Britain’s spending commitments and its growth rates.
