Astronomers have untangled a messy collision between two massive clusters of galaxies in which the clusters' vast clouds of dark matter have decoupled from the so-called normal matter.
Dark matter flies ahead of normal matter in mega galaxy cluster collision." ScienceDaily. ScienceDaily, 24 July 2024. <www.sciencedaily.com
How are galaxies born, and what holds them together? Astronomers assume that dark matter plays an essential role. However, as yet it has not been possible to prove directly that dark matter exists. A ...
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