New analysis of the Bullet Cluster suggests it may contain far less dark matter than previously believed
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A new analysis of the Bullet Cluster — a famous cosmic collision long considered a key piece of evidence for dark matter — suggests it may contain only half as much dark matter as previously thought, or possibly none at all. The study re-examines the assumptions behind how dark matter was inferred in the cluster, challenging a cornerstone observation that helped establish the existence of dark matter. If confirmed, this could have significant implications for our understanding of dark matter and alternative theories of gravity.
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bskyNew analysis of the Bullet Cluster suggests it may contain far less dark matter than previously believedphysicsworld.comKey quotes
· 3 pulledThe Bullet Cluster of galaxies might only have half as much dark matter than scientists thought, or perhaps even none at all, according to a new look at observations of this immense collision
A different conclusion The Bullet Cluster, with hot gas in pink and perceived dark matter in blue.
The Bullet Cluster of galaxies might only have half as much dark matter than scientists thought, or perhaps even none at all
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