Astronomy 102: black holes, time warps, and the large-scale structure of the Universe
University of Rochester, Spring semester 2008



(NASA/CXO)


(NASA/WMAP)

Features of current interest  (archive)

Some galaxies in the early Universe, 11 billion ly away, have masses similar to the Milky Way but are only about a tenth the diameter. Was the Universe denser on all length scales back then? (4/29/2008)
access After the merger of two galaxies, one of the pair's central supermassive black holes gets ejected. The one still there must be really vicious.  (4/29/2008)
First observation of relativistic jets in a blazar -- difficult to see because, of course, the jets in blazars are seen nearly head on. Announcement complete with song.  (4/23/2008)

Astronomy Picture of the Day:

APOD

To view documents on this site, install some or all of this free software:

Apple Quicktime Player Adobe Acrobat Reader Apple Safari Microsoft Internet Explorer Get Netscape Communicator or Navigator Mozilla Firefox Opera


Site contents © 2008, The University of Rochester, except as indicated. All rights reserved.
Comments and suggestions concerning this site will be received gratefully by Dan Watson: dmw@pas.rochester.edu .


You are visitor number since 8 January 2008.