News tagged with black holes

Astronomers amazed at timing of Markarian 421 'blazer'

(Phys.org) —The field of view from Earth is being flooded with the brightest display of gamma rays ever seen, the BBC is reporting, at a time when space researchers around the world have just coincidently trained ...

Apr 18, 2013 weblog
4.5 / 5 (30) 26 | with audio podcast

The distant cosmos as seen in the infrared

(Phys.org) —At some stage after its birth in the big bang, the universe began to make galaxies. No one knows exactly when, or how, this occurred. For that matter, astronomers do not know how the lineages ...

Apr 12, 2013
5 / 5 (17) 52 | with audio podcast

Stephen Hawking: Explore space for humanity's sake

Stephen Hawking, the British physicist who spent his career decoding the universe and even experienced weightlessness, is urging the continuation of space exploration—for humanity's sake.

Apr 10, 2013
4.3 / 5 (23) 49

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

Peering into a gateway opened 50 years ago

Saturday marked the 50th anniversary of the discovery of the quasar - an extremely bright object powered by matter falling into a super-massive black hole lying in the heart of a galaxy.

Mar 17, 2013
4.6 / 5 (7) 3