A “galaxy-killing” wind driven by cosmic mergers may explain why many massive galaxies in the early universe stopped forming stars far earlier than expected, according to new JWST and ALMA observations.

Source: [Space.com](https://www.space.com/astronomy/galaxies/james-webb-space-telescope-discovers-galaxy-killing-wind-that-may-explain-why-some-early-galaxies-lived-fast-and-died-young)

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