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GALACTIC MERGERS HELP MONSTER BLACK HOLES GROW (STScI-PR06-04)
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 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. To receive STScI Inbox Astronomy: News Alert messages, visit: http://hubblesite.org/go/alerts or send an e-mail to . Leave the subject line blank, and type the word SUBSCRIBE in the body of the message. The system will respond with instructions on how to confirm your subscription. Once you follow the instructions, you will receive news alerts as they are issued. Alerts will be sent to the e-mail address you use to subscribe. To unsubscribe, send e-mail to . Leave the subject line blank, and type the word UNSUBSCRIBE in the body of the message. Please unsubscribe using the email account that you used to subscribe to the list. |
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