News tagged with supermassive black holes

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Black holes spinning faster than ever before

(PhysOrg.com) -- Two UK astronomers have found that the giant black holes in the centre of galaxies are on average spinning faster than at any time in the history of the Universe. Dr Alejo Martinez-Sansigre ...

May 23, 2011
4.3 / 5 (16) 15 | with audio podcast

How often do giant black holes become hyperactive?

(PhysOrg.com) -- A new study from NASA's Chandra X-ray Observatory tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive ...

Dec 20, 2010
5 / 5 (7) 19 | with audio podcast

Scientists glimpse universe before the Big Bang

(PhysOrg.com) -- In general, asking what happened before the Big Bang is not really considered a science question. According to Big Bang theory, time did not even exist before this point roughly 13.7 billion ...

Nov 23, 2010 weblog
4.7 / 5 (108) 174 | with audio podcast

Image: Hubble views the whirling disk of NGC 4526

This neat little galaxy is known as NGC 4526. Its dark lanes of dust and bright diffuse glow make the galaxy appear to hang like a halo in the emptiness of space in this image from the NASA/ESA Hubble Space ...

Oct 30, 2014
5 / 5 (10) 0