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Half of the universe’s baryonic matter has been missing, but astronomers just found it. Where exactly was it and what took us so long? Black Holes And Gravitational Waves Might Help Us Find Dark Matter - https://youtu.be/C68b9EGksuI Read More: The Mystery of the Universe's Missing ‘Normal’ Matter Has Begun to Unravel https://www.seeker.com/space/astronomy/the-mystery-of-the-universes-missing-normal-matter-has-begun-to-unravel “There are the longstanding challenges
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