Could a 'Dark Matter Signal' Just Be Poorly Analyzed Noise?

For multiple generations now, it's been apparent to astronomers that there's more matter holding the Universe together than the normal stuff — protons, neutrons, and electrons — can account for. Observations ranging from the internal motions of individual galaxies to the large-scale structure of the Universe all require some unseen, massive component of the Universe to explain that far exceeds what normal matter could account for.

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