“Beyond the Edge of the Milky Way” –Dark Energy Probe Hints at an Enormous Invisible Halo of Dark Matter

  One early result of the ongoing Dark Energy Survey is the previously untold story revealed by old, giant RR Lyrae pulsating stars, which tell scientists about the region of space beyond the edge of our Milky Way. In this area nearly devoid of stars–the motion of the RR Lyrae stars hints at the presence … Continue reading “Beyond the Edge of the Milky Way” –Dark Energy Probe Hints at an Enormous Invisible Halo of Dark Matter