#DarkMatter and #DarkEnergy Explained? Well, not really!
Ever since it was discovered that the rotational dynamics of spiral galaxies were inconsistent with the observed mass of those galaxies, it has been postulated that missing mass or dark matter was responsible. With fellow staff-member Kent Ford, astronomer Vera Rubin announced at a 1975 meeting of the American Astronomical Society the discovery that most stars in spiral galaxies orbit at roughly[…]