I won’t state that “dark matter” hasn’t been discovered. However I disagree that empirical evidence for it is demonstrated in this collision. Other phenomena that could explain the images include excitation of preexisting gases or imaging artifacts. Nowhere in the article does it state that the mass of “dark matter” was actually observed passing unimpeded through the normal matter or other “dark matter.”

Shawn Simpson
Orlando, Fla.

From the Nature Index

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