News articles tagged with 'black hole'
Newly merged black hole eagerly shreds stars
— 9 Apr 2011 11:52 | AstronomyA galaxy's core is a busy place, crowded with stars swarming around an enormous black hole. When galaxies collide, it gets even messier as the two black holes spiral toward each other,…
Swift survey finds 'missing' active galaxies
— 21 Jan 2011 20:17 | AstronomySeen in X-rays, the entire sky is aglow. Even far away from bright sources, X-rays originating from beyond our galaxy provide a steady glow in every direction. Astronomers have long…
Answers to black hole evolution beyond the horizon?
— 19 Jan 2011 18:23 | AstronomyOne of the most important predictions of Einstein's theory of General Relativity is the existence of black holes. The dynamics of these systems are not yet fully understood, but researchers…
Wave-generated 'white hole' boosts hawking radiation theory: UBC research
— 18 Jan 2011 16:17 | PhysicsA team of UBC physicists and engineers have designed a experiment featuring a trough of flowing water to help bolster a 35-year-old theory proposed by eminent physicist Stephen Hawking…
Astronomers discover close-knit pairs of massive black holes
— 13 Jan 2011 16:48 | AstronomyAstronomers at the California Institute of Technology (Caltech), University of Illinois at Urbana-Champaign (UIUC), and University of Hawaii (UH) have discovered 16 close-knit pairs…
Surprise: Dwarf galaxy harbours supermassive black hole
— 9 Jan 2011 19:13 | AstronomyThe surprising discovery of a supermassive black hole in a small nearby galaxy has given astronomers a tantalising look at how black holes and galaxies may have grown in the early history…
'Russian doll' galaxy reveals black holes' true power
— 24 Nov 2010 22:48 | AstronomyFollowing a study of what is in effect a miniature galaxy buried inside a normal-sized one - like a Russian doll - astronomers using a CSIRO telescope have concluded that massive black…
Pushing black-hole mergers to the extreme: RIT scientists achieve 100:1 mass ratio
— 19 Nov 2010 12:11 | AstronomyScientists have simulated, for the first time, the merger of two black holes of vastly different sizes, with one mass 100 times larger than the other. This extreme mass ratio of 100:1…
Artificial black holes made with metamaterials
— 17 Nov 2010 10:00 | PhysicsWhile our direct knowledge of black holes in the universe is limited to what we can observe from thousands or millions of light years away, a team of Chinese physicists has proposed…
NASA's Chandra finds youngest nearby black hole
— 16 Nov 2010 11:42 | AstronomyAstronomers using NASA's Chandra X-ray Observatory have found evidence of the youngest black hole known to exist in our cosmic neighbourhood. The 30-year-old black hole provides a unique…