Galactic cannibal Andromeda feasts on smaller galaxies, reveal cosmic remnants
Andromeda, the Milky Way’s neighboring spiral galaxy, may be a cosmic cannibal that grew by swallowing smaller galaxies. Astronomers came to this conclusion by observing a globular cluster of stars called the Dulais Structure, named after the Welsh term meaning “dark stream”, which now dwells in Andromeda but seems to come from outside galaxy. The …
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