SHARE
httpswww.popsci.comsitespopsci.comfilesimport2013importPopSciArticles207541main_blackhole_art.jpg

A black hole wreaks all sorts of havoc in its cosmic neighborhood, pulling in and stretching out matter, spewing jets and slowing time to a near stand-still. Now astrophysicists have added a new phenomenon to the black hole’s list of tricks: Light echoes.

Black holes are often surrounded by spinning discs of burning gas that can emit X-ray bursts. Because the black hole warps the surrounding space-time so intensely, though, the photons from a single one of these bursts don’t always arrive at the same time. Read more on the new phenomenon, announced at this week’s American Astronomical Society Meeting, here.—Gregory Mone

MORE TO READ