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This rare white dwarf looks normal, until Hubble shows its explosive secret

Published: 9/11/2025|Category: Science News
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This rare white dwarf looks normal, until Hubble shows its explosive secret
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Hubble has uncovered a rare ultra-massive white dwarf created in a violent star merger. Once thought to be ordinary, the star’s ultraviolet signature revealed its explosive history and hinted that such cosmic collisions may be surprisingly common.

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