News tagged with observations

Black hole wakes up and has a light snack

(Phys.org) —Astronomers have watched as a black hole woke up from a decades-long slumber to feed on a low-mass object – either a brown dwarf or a giant planet – that strayed too close. A similar feeding ...

Apr 02, 2013
4.7 / 5 (22) 26 | with audio podcast

Astronomers discover new kind of supernova

(Phys.org) —Supernovae were always thought to occur in two main varieties. But a team of astronomers including Carnegie's Wendy Freedman, Mark Phillips and Eric Persson is reporting the discovery of a new ...

Mar 26, 2013
4.9 / 5 (19) 2 | with audio podcast

Construction secrets of a galactic metropolis

Galaxy clusters are the largest objects in the Universe held together by gravity but their formation is not well understood. The Spiderweb Galaxy (formally known as MRC 1138-262) and its surroundings have ...

Oct 15, 2014
4.6 / 5 (7) 1