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Latest M-sigma relation Stories

Virtual Observatory Study Explains How Black Holes Get So Massive
2013-10-17 12:57:02

Lee Rannals for redOrbit.com - Your Universe Online Astronomers using a "Virtual Observatory" set out to study "fat" black holes that grow up to more than one million solar masses. Some massive black holes are observed as active galactic nuclei (AGN), which attract surrounding gas and release huge amounts of energy. The team collected the data on more than 10,000 AGN whose black hole mass had already been measured by spectroscopic observation. Scientists have wondered exactly how a...

Black Holes Need Diet Rich In Stars To Grow
2012-07-20 12:21:35

Lawrence LeBlond for redOrbit.com - Your Universe Online Researchers from several American institutes and agencies have developed a new model showing how an elusive type of black hole can be formed in the gas surrounding their supermassive counterparts. The scientists, from the American Museum of Natural History (AMNH), the City University of New York (CUNY), the Jet Propulsion Laboratory (JPL) of the California Institute of Technology (Caltech), and the Harvard-Smithsonian Center for...


Word of the Day
penuche
  • A fudgelike confection of brown sugar, cream or milk, and chopped nuts.
'Penuche' is a variant of 'panocha,' a coarse grade of sugar made in Mexico. 'Panocha' probably comes from the Spanish 'panoja, panocha,' ear of grain.
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