Feature Astronomy Black hole silhouettes Scientists attempt to image a shadow and its tumultuous ring Share this:FacebookTwitterPocketRedditPrintEmail By Charles Petit September 24, 2010 at 2:54 pm This article is only available to Science News subscribers. Subscribers, enter your e-mail address to access our archives. Client key* E-mail* Log in Not a subscriber? Science News is a nonprofit. Support us by subscribing now. Subscribe