What If Dark Matter Is a Superfluid?
Jennifer Ouellette, Quanta Magazine
For years, dark matter has been behaving badly. The term was first invoked nearly 80 years ago by the astronomer Fritz Zwicky, who realized that some unseen gravitational force was needed to stop individual galaxies from escaping giant galaxy clusters. Later, Vera Rubin and Kent Ford used unseen dark matter to explain why galaxies themselves don’t fly apart.
via RealClearScience http://ift.tt/VUc7dc
June 19, 2017 at 12:11AM