2015-12-01 - What could dark matter be ?

  • Posted on: 21 April 2016
  • By: admin

Symmetry Magazine : "Although nearly a century has passed since an astronomer first used the term “dark matter” in the 1930s, the elusive substance still defies explanation. Physicists can measure its effects on the movements of galaxies and other celestial objects, but what it’s made of remains a mystery."