Latest Rotating black hole Stories

2009-09-18 09:55:00

Black holes are invading stars, providing a radical explanation to bright flashes in the universe that are one of the biggest mysteries in astronomy today. The flashes, known as gamma ray bursts, are beams of high energy radiation "“ similar to the radiation emitted by explosions of nuclear weapons "“ produced by jets of plasma from massive dying stars. The orthodox model for this cosmic jet engine involves plasma being heated by neutrinos in a disk of matter that forms around a...

2009-02-24 09:32:07

The rotating black hole has been described as one of nature's most perfect objects. As described by the Kerr solution of Einstein's gravitational field equations, its spacetime geometry is completely characterized by only two numbers "” mass and spin "” and is sometimes described by the aphorism "black holes have no hair.'' A particle orbiting a rotating black hole always conserves its energy and angular momentum, but otherwise traces a complicated twisting rosette pattern with no...

2005-03-08 07:35:00

Computer reveals that life around black holes is turbulent and violent JHU -- For more than 30 years, astrophysicists have believed that black holes can swallow nearby matter and release a tremendous amount of energy as a result. Until recently, however, the mechanisms that bring matter close to black holes have been poorly understood, leaving researchers puzzled about many of the details of the process. Now, however, computer simulations of black holes developed by researchers, including two...

Latest Rotating black hole Reference Libraries

2004-10-19 04:45:41

Black Hole -- Black holes are objects so dense that not even light can escape their gravity. They are believed to form from the gravitational collapse of astronomical objects containing two or more solar masses. Astronomical observations suggest that the center of most galaxies, including our own Milky Way, contain supermassive black holes containing millions to billions of solar masses. Black holes are predictions of Einstein's theory of general relativity. In particular, they occur...

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Word of the Day
  • A murmuring sound; a rushing or whistling sound, like that of the wind; a deep sigh.
  • A gentle breeze; a waft; a breath.
  • Any rumor that engages general attention.
  • A cant or whining mode of speaking, especially in preaching or praying; the chant or recitative characteristic of the old Presbyterians in Scotland.
  • To make a rushing, whistling, or sighing sound; emit a hollow murmur; murmur or sigh like the wind.
  • To breathe in or as in sleep.
  • To utter in a whining or monotonous tone.
According to the OED, from the 16th century, this word is 'almost exclusively Scots and northern dialect until adopted in general literary use in the 19th.'