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Galactic geysers fueled by star stuff
Posted By -NO AUTHOR- On 01/03/2013 @ 12:17 am In Diversions,World | No Comments
(ScienceDaily) Enormous outflows of charged particles from the centre of our Galaxy, stretching more than halfway across the sky and moving at supersonic speeds, have been detected and mapped with CSIRO’s 64-m Parkes radio telescope.
Corresponding to the “Fermi Bubbles” found in 2010, the recent observations of the phenomenon were made by a team of astronomers from Australia, the USA, Italy and The Netherlands, with the findings reported in the January 2 issue of Nature.
“There is an incredible amount of energy in the outflows,” said co-author Professor Lister-Staveley-Smith from The University of Western Australia node of the International Centre for Radio Astronomy Research in Perth and Deputy Director of the ARC Centre of Excellence for All-sky Astrophysics (CAASTRO).
“The source of the energy has been somewhat of a mystery, but we know there is a lot there, about a million times as much energy as a supernova explosion (a dying star).”
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