Search results for: black hole

See also stories tagged with Black hole 

Timing a sextuple quasar

Quasars are galaxies with massive black holes at their cores around which vast amounts of energy are being radiated. Indeed, so much light is emitted that the nucleus of a quasar is much brighter than the rest of the entire ...

date10 hours ago in Astronomy
shares58 comments 0

The art and beauty of general relativity

One hundred years ago this month, an obscure German physicist named Albert Einstein presented to the Prussian Academy of Science his General Theory of Relativity. Nothing prior had prepared scientists for such a radical re-envisioning ...

dateNov 26, 2015 in General Physics
shares99 comments 6

Image: A supermassive black hole in action

Scientists often use the combined power of multiple telescopes to reveal the secrets of the Universe – and this image is a prime example of when this technique is strikingly effective.

dateNov 17, 2015 in Astronomy
shares299 comments 28

Black hole awakens after 26 years

On 15 June 2015, V404 Cygni (V404 Cyg), a binary system comprising a sun-like star orbiting a black hole, woke up. A huge outburst of energy across the electromagnetic spectrum 'lit up' the sky. The last such outburst was ...

dateNov 05, 2015 in Astronomy
shares397 comments 2