“Milky Way’s Hidden Past” –Gaia Unveils Dark-Matter Object 1-100 Million Times Mass of the Sun

  Since the Gaia Spacecraft’s April 2018 data release, astronomers have unveiled a Milky Way teeming with astounding surprises, including hints of dark-matter clumps that might eventually provide a better grasp of the elusive material’s properties. These early, easy-to-spot findings, reports Adam Mann in Nature, have been “transformational.” Astronomer Vasily Belokurov at the University of … Continue reading “Milky Way’s Hidden Past” –Gaia Unveils Dark-Matter Object 1-100 Million Times Mass of the Sun