1200px-Black_hole_-_Messier_87 Ian PalmerJun 30, 2019 Discover more from Ian Dexter Palmer Ph.D Subscribe to get the latest posts sent to your email. Subscribe <span class="nav-subtitle screen-reader-text">Page</span> Previous PostA cosmic mystery, Part 2: Quasars. CommentCancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed. We use cookies to improve your experience on our website Accept Decline