11.01.2011 15:03 пользователь "russell_c" <[log in to unmask]
> Now that is a news story ... too bad it's 30millions year out of date!
> Massive black hole discovered in nearby galaxy
> US astronomers have discovered a huge black hole, a million times the mass
> of the sun, in a nearby galaxy - a finding that could help better understand
> the origins of the universe.
> The announcement by the American Astronomical Society (AAS) said the
> surprise discovery in a so-called "dwarf" galaxy offers evidence that black
> holes - regions of space where not even light can escape - formed before the
> build-up of galaxies.
> "This galaxy gives us important clues about a very early phase of galaxy
> evolution that has not been observed before," said Amy Reines, a researcher
> at the University of Virginia who presented the findings to the AAS annual
> The galaxy, called Henize 2-10, is 30 million light-years from Earth, has
> been studied for years, and is forming stars very rapidly.
> It resembles what scientists think were some of the first galaxies to form
> in the early universe.
> Ms Reines along with Gregory Sivakoff and Kelsey Johnson of the University
> of Virginia and the National Radio Astronomy Observatory (NRAO), and Crystal
> Brogan of the NRAO, observed Henize 2-10 with the National Science
> Foundation's very large array radio telescope and with the Hubble Space
> They found a region near the centre of the galaxy that strongly emits radio
> waves with characteristics of those emitted by super-fast "jets" of material
> spewed outward from areas close to a black hole.
> They then searched images from the Chandra X-Ray Observatory that showed
> this same, radio-bright region to be strongly emitting energetic X-rays.
> This combination, they said, indicates an active, black-hole-powered,
> galactic nucleus.
> "Not many dwarf galaxies are known to have massive black holes," Mr Sivakoff
> While black holes of roughly the same mass as the one in Henize 2-10 have
> been found in other galaxies, those galaxies all have much more regular
> "This galaxy probably resembles those in the very young universe, when
> galaxies were just starting to form and were colliding frequently," Mr
> Johnson said.
> "All its properties, including the supermassive black hole, are giving us
> important new clues about how these black holes and galaxies formed at that