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'Stupendously large black holes' aren't a major component of dark matter, study finds

Summary by Space
Black holes more massive than entire galaxies are not a major component of dark matter, the mysterious stuff that's thought to make up most of the matter in the cosmos, a new study finds.

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It is still unknown what dark matter is. Scientists have found out what it does not exactly consist of.

A new study suggests that the main component of dark matter in the universe is not supermassive black holes. Scientists came to this conclusion by analyzing the early light of the universe. However, the researchers do not rule out the possibility that small black holes the size of asteroids could be dark matter.

Scientific findings narrow down a possible explanation for invisible cosmic matter

·Greece
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An analysis of the cosmic microwave background suggests that extreme mass black holes cannot represent an important fraction of dark matter. The result does not rule out or resolve what makes up that substance, and leaves open research into much smaller black holes.

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Space broke the news in New York, United States on Friday, October 23, 2026.
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