Assertion: andromeda galaxy's star | /r/CapableOf | stretch out into the universe
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text: They found that, with the correct parameters, a galaxy merger 2 billion years ago could produce the clues seen around Andromeda today: a long stream of stars stretching out into the universe, an extra-thick mist of loose stars around Andromeda itself, a bunch of stars in Andromeda that formed 2 billion years ago, and — critically — the core of that lost galaxy still floating nearby, in the form of M32.