Newfound collision may be the biggest in Milky Way history
Dec 29, 2020
2 minutes
Words by Brandon Specktor
The Milky Way contains more than 100 billion stars, but it didn’t come by them all honestly. At least a dozen times over the last 12 billion years, the Milky Way collided with a neighbouring galaxy and devoured it, swallowing up that neighbour's stars and mixing them into an ever-growing stew of pilfered suns.
With each new galactic merger, the shape, size and
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