Pairs of small colliding galaxies may seed future stars: Study highlights role of dwarf-galaxy mergers in refueling other galaxies with gas

Pairs of small colliding galaxies may seed future stars: Study highlights role of dwarf-galaxy mergers in refueling other galaxies with gas

In a new study, astronomers show how gas expelled in the merger of two small galaxies can linger across vast distances for billions of years, where it may eventually feed gas to more massive galaxies to make new stars.

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