GALACTIC MERGERS HELP MONSTER BLACK HOLES GROW (STScI-PR06-04)
- From: INBOX ASTRONOMY: NEWS ALERT <hst-news@xxxxxxxxx>
- Date: Wed, 11 Jan 2006 11:36:44 -0500
Donna Weaver Space Telescope Science Institute, Baltimore (Phone: 410-338-4493)
Rogier Windhorst Arizona State University, Tempe, Ariz. (Phone: 480/965-7143)
RELEASE NO.: STScI-PR06-04
GALACTIC MERGERS HELP MONSTER BLACK HOLES GROW
An analysis of the Hubble Space Telescope's deepest view of the universe offers compelling evidence that monster black holes in the centers of galaxies were not born big but grew over time through repeated galactic mergers. The Hubble Ultra Deep Field (HUDF) studies also confirm recent computer simulations that predict that newly merging galaxies are enshrouded in so much dust that astronomers cannot see black holes feasting on stars and gas from the mergers. The computer simulations, as supported by Hubble, suggest that it takes hundreds of millions to a billion years before enough dust clears so that astronomers can see the black holes feasting on stars and gas from the merger.
For images and additional information about this research on the Web, visit: http://hubblesite.org/news/2006/04.
The Hubble Space Telescope is a project of international
cooperation between NASA and the European Space Agency. The
Space Telescope Science Institute in Baltimore conducts Hubble
science operations. The Institute is operated for NASA by the Association of Universities for Research in Astronomy, Inc.,
Washington.
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