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White dwarf duo reveals the origins of the universe’s brightest explosions

Summary by Brighter Side News
Astronomers have found a remarkable pair of stars that may finally prove a long-debated theory. Described in the journal Nature Astronomy, this duo offers the strongest evidence yet that type 1a supernovae—the universe’s brilliant explosions used to measure cosmic distances—can come from two white dwarfs. These dying stars orbit so closely they spiral inward over time, eventually colliding with enough force to trigger a spectacular blast. Astron…
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Brighter Side News broke the news in on Friday, June 20, 2025.
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