NASA Scientists Predict Black Hole Light Echo Show

nasa.gov — It's well known that black holes can slow time to a crawl and tidally stretch large objects into spaghetti-like strands. But according to new theoretical research from two NASA astrophysicists, the wrenching gravity just outside the outer boundary of a black hole can produce yet another bizarre effect: light echoes. Jan 12, 2008 View in Crawl 4