Galaxies
JWST uncovers chaotic early galaxies in young universe
Astronomers using the James Webb Space Telescope have found that the universe's first galaxies were turbulent and disorderly, far from the stable structures seen today. Led by University of Cambridge researchers, the study examined over 250 galaxies from when the universe was 800 million to 1.5 billion years old. These findings challenge prior views and show a transition from cosmic chaos to ordered formation.
Astronomers find most distant odd radio circle
Astronomers have discovered the most distant and powerful odd radio circle, a massive double-ringed radio structure nearly 10 billion years old. Using citizen science and the LOFAR telescope, researchers propose these cosmic rings form from galactic superwinds rather than black hole mergers. The finding challenges existing theories and highlights the role of human pattern recognition in astronomy.
Galaxies eject matter more violently than expected
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A new analysis reveals that supermassive black holes in galaxies fling out baryonic matter far more aggressively than previously thought, explaining the long-missing cosmic gas. Researchers at the University of California, Berkeley combined observations of the cosmic microwave background to map how this ordinary matter diverges from dark matter. The findings highlight the powerful role of black holes in shaping the universe's mass distribution.
Hubble telescope images spiral galaxy NGC 6000
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The NASA/ESA Hubble Space Telescope has captured a stunning image of NGC 6000, a spiral galaxy 102 million light-years away in the constellation Scorpius. The picture highlights stars of varying ages, from blue young clusters to a golden older core, while revealing faint remnants of past supernovae. An asteroid photobombed the shot, adding streaks to the cosmic scene.