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'This doesn't appear in computer simulations': Hubble maps chaotic history of Andromeda galaxy, and it's nothing like scientists expectedAn ambitious new survey by the Hubble Space Telescope offers the first bird's-eye view of all known dwarf galaxies orbiting the Andromeda galaxy. The data suggests Andromeda had a chaotic past unlike anything scientists expected.
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Did a supernova 6 million years ago kickstart evolution in Africa? New study offers a clueA curious connection between an ancient supernova and virus diversification in one of Earth's biggest lakes means that crazy cosmic events may have had more influence on our planet than we thought.
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NASA supercomputer reveals strange spiral structure at the edge of our solar systemThe mysterious Oort cloud is the source of many of our solar system's comets, but astronomers still have no idea what it looks like. Now, new simulations may have given them a first glimpse.
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James Webb Space Telescope discovers mysterious flares near the Milky Way's monster black holeSagittarius A*, our galaxy's supermassive black hole, is constantly producing strange eruptions. Astronomers are using the James Webb Space Telescope to find out why.
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Scientists discover giant galaxy 32 times bigger than Earth's — and they named it 'trouble'Scientists have discovered an enormous radio galaxy 32 times the size of the Milky Way. They nicknamed it "Inkathazo," or "trouble," as the team struggles to understand the physics behind it.
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Milky Way quiz: How well do you know our home galaxy?Quiz Test your knowledge of the Milky Way's size, speed, age, galactic neighbors and more.
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Supermassive black holes in 'little red dot' galaxies are 1,000 times larger than they should be, and astronomers don't know why"Our measurements imply that the supermassive black hole mass is 10% of the stellar mass in the galaxies we studied."
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Mysterious 'ice balls' in space baffle astronomersAstronomers have discovered two strange objects that could be young stars — except they're completely surrounded by ice.
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'Herculean' 2.5-billion-pixel mosaic shows our closest galactic neighbor like never before — and took more than a decade to createThe new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with more than 200 million individually resolved stars.
