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Giant Black Hole At Milky Way's Core Stays Slim 61

thomst writes "A team of researchers from Harvard and MIT announced at the 215th meeting of the American Astronomical Society a new theoretical model of how the super-massive black hole at the center of the Milky Way consumes gas from surrounding star clusters, based on a million seconds of observation by the orbital Chandra X-ray telescope. Astronomers had previously believed that the object, known as Sagittarius A* (pronounced 'Sagittarius A-Star') consumed only around one percent of the gases it stripped from the star clusters around it, but the new model reduces its consumption to 0.01 percent (i.e. — two orders of magnitude).'s uncredited reporter gets the story right, while's Andrea Thomspon clearly doesn't understand the mechanism behind the phenomenon (essentially, thermal conduction from the extremely-hot accretion disk heats the surrounding gas, causing it to expand, and thus move away from Sagittarius A*'s gravity well)."

Astronomers Detect the Earliest Galaxies 127

FiReaNGeL writes "Astronomers, using NASA's Hubble Space Telescope, have uncovered a primordial population of compact and ultra-blue galaxies that have never been seen before. They are from 13 billion years ago, just 600 to 800 million years after the Big Bang. These newly found objects are crucial to understanding the evolutionary link between the birth of the first stars, the formation of the first galaxies, and the sequence of evolutionary events that resulted in the assembly of our Milky Way and the other 'mature' elliptical and majestic spiral galaxies in today's universe."
United States

US Military Explored Hiring Bloggers As Propagandists 355

Zeinfeld writes "Wired reports that one time Clipper Chip supporter Dorothy Denning wrote a report on using blogs for information warfare in 2006 (a report available from cryptome). Amongst the proposals were hiring bloggers directly as propaganda agents and using military media resources to 'make' a blogger posting favorable material. Notably, and most unfortunately absent from the report, is the very real question of whether the military should be manipulating domestic media." Is meme warfare just another battleground, or is this dirty pool?

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