Merging galaxies throw shade on alternative dark matter theory

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The cores of two merging galaxies and their spiral arms

NASA/JPL-Caltech/STScI/Vassar

Galaxies within the early universe had been merging as much as 10 occasions greater than is predicted by theories of “modified Newtonian dynamics”, generally known as MOND. This fee of mergers is according to theories that take into consideration darkish matter, the invisible and as but undetected stuff thought to make up about 85 per cent of all matter.

Christopher Conselice on the College of Manchester within the UK, and his colleagues analysed observations of half one million galaxies from the native …

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