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'This doesn't appear in computer simulations': Hubble maps chaotic history of Andromeda galaxy, and it's nothing like scientists expected
- The Hubble Space Telescope's new survey provides the first-ever bird's-eye view of dwarf galaxies orbiting Andromeda, revealing chaotic interactions compared to galaxies around the Milky Way.
- The study shows that information about our galaxy may not apply to others, indicating different evolutionary paths for low-mass galaxies.
- Andromeda, the closest major galaxy to the Milky Way, shows a complex ecosystem of smaller galaxies not visible to the naked eye.
- Hubble's two-year survey created a 3D map of Andromeda's dwarf galaxies, studying their evolution over billions of years.
- The asymmetry and perturbations in Andromeda's system suggest a significant recent event, possibly a collision with a large galaxy like Messier 32.
- Unexpectedly, galaxies around Andromeda exhibit unique star-forming patterns not seen around the Milky Way, challenging computer simulations.
- Half of Andromeda's dwarf galaxies orbit in a flat plane in the same direction, a rare configuration not observed around other galaxies.
- The 'Great Plane of Andromeda' lacks distinguishable traits, indicating an enigmatic structure that requires further understanding.
- Researchers highlight the need to explain the diversity of Andromeda's satellite galaxies to unravel the galaxy's complex history.
- The discoveries from the Hubble survey of Andromeda challenge existing knowledge and raise intriguing questions about galaxy evolution.
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