Beyond the Edge of the Milky Way: Giant Pulsating Stars Revealed an Enormous Halo of Dark Matter

  One early result of the 2nd release of the still ongoing Dark Energy Survey is the previously untold story revealed by old, giant RR Lyrae (RRL) pulsating stars with a mass of around half the sun’s, which tell scientists about the region of space beyond the edge of our Milky Way. These large-amplitude stars … Continue reading Beyond the Edge of the Milky Way: Giant Pulsating Stars Revealed an Enormous Halo of Dark Matter