'Cosmic joust': Astronomers observe pair of galaxies in deep-space battle

Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense radiation. Their results, published in Nature, show that this radiation dampens the wounded galaxy's ability to form new stars.

May 21, 2025 - 16:02
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Astronomers have witnessed for the first time a violent cosmic collision in which one galaxy pierces another with intense radiation. Their results, published in Nature, show that this radiation dampens the wounded galaxy's ability to form new stars.