[ad_1] NGC 1052-DF2, an ultra-diffuse galaxy. CREDIT: ESA / Hubble, Digitized Sky Survey, Nick Risinger (skysurvey.org) (BIVN) – Yale University astronomer Pieter Van Dokkum recently shared "ghost stories" of a new type …
Read More »Keck Talk – Ghostly Galaxies challenge the theories of dark matter
