1 min read Galaxies carry the imprints of past encounters. When they pass near one another or collide, gravity pulls their stars into long tails Mirage News Mirage News Help Galaxy Zoo: Tidal Tales Open Cosmic Storybook 1 min read Galaxies carry the imprints of past encounters. When they pass near one another or collide, gravity pulls their stars into long tails, thin streams, and faint shell... [1190 chars]
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