Cosmic winds may threaten galaxies

Astronomers using the James Webb Space Telescope observed the galaxy merger CRISTAL-02, which existed about a billion years after the Big Bang. The galaxy is losing gas rapidly, driven by intense star formation and supernova explosions, potentially halting future star creation. This galactic wind could serve as a natural regulator of galaxy growth, illustrating how early galaxies may have quickly expanded before running out of star-forming material.

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