... and the Cosmic Web: Spatial Patterns and Clustering across the Universe ... A&AS..109..71 . Fragmenting the Universe. ... the spatial organization of the Megaparsec universe, while matter assembles in high ...
... Probing the Balance of AGN and Star-Forming Activity in the Local Universe with ChaMP , Constantin, A., Green, P.J., Aldcroft, T., Kim, D.-W., Haggard, D., Barkhouse, W., Anderson, S.F. 2009, ApJ, 705, 1336 . ...
... The X-ray Universe at Sharp Focus" St. Paul, Minnesota (July 17, 2001). ... Head in Clouds, Eyes on the Universe: A Lecture on Astronomy" Harvard-Smithsonian ... Sep 19, 1996) "New Eyes on the Universe: The Revolution in Modern Astrophysics" AAAS ...
... The X-ray Universe at Sharp Fo cus" St. Paul, Minnesota (July 17, 2001). ... Head in Clouds, Eyes on the Universe: A Lecture on Astronomy" HarvardSmithsonian ... Sep 19, 1996) "New Eyes on the Universe: The Revolution in Mo dern Astrophysics ...
... The Xray Universe at Sharp Focus'' St. Paul, Minnesota (July 17, 2001). ... Head in Clouds, Eyes on the Universe: A Lecture on Astronomy'' HarvardSmithsonian ... 19, 1996) ``New Eyes on the Universe: The Revolution in Modern Astrophysics'' AAAS ...
... The Xray Universe at Sharp Focus'' St. Paul, Minnesota (July 17, 2001). ... Head in Clouds, Eyes on the Universe: A Lecture on Astronomy'' Harvard Smithsonian ... 19, 1996) ``New Eyes on the Universe: The Revolution in Modern Astrophysics'' AAAS ...
... Diagram of the evolution of Quasars . When the universe was small objects collided into each other more frequently. ... Therefore the density of Quasars was higher in the past. Now that the universe has grown the density of Quasars has decreased. ...