News tagged with black holes

Image: Pulsar encased in a supernova bubble

(Phys.org) —Massive stars end their lives with a bang: exploding as spectacular supernovas, they release huge amounts of mass and energy into space. These explosions sweep up any surrounding material, creating ...

dateJun 02, 2014 in Astronomy
shares0 comments 0

When does a physical system compute?

Can physical systems from bacteria to black holes act as a computer? A University of York computer scientist and colleagues from the universities of Oxford and Leeds address this question in newly published research which ...

dateJul 11, 2014 in Quantum Physics
shares0 comments 5

Staying warm: The hot gas in clusters of galaxies

Most galaxies lie in clusters, groupings of a few to many thousands of galaxies. Our Milky Way galaxy itself is a member of the "Local Group," a band of about fifty galaxies whose other large member is the ...

dateNov 28, 2014 in Astronomy
shares0 comments 6

Star formation near supermassive black holes

Most if not all galaxies are thought to host a supermassive black hole in their nuclei, a finding that is both one the most important and amazing in modern astronomy. A supermassive black hole grows by accreting ...

dateJun 22, 2015 in Astronomy
shares82 comments 9

Toothpaste fluorine formed in stars

The fluorine that is found in products such as toothpaste was likely formed billions of years ago in now dead stars of the same type as our sun. This has been shown by astronomers at Lund University in Sweden, ...

dateAug 21, 2014 in Astronomy
shares0 comments 3