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

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Comments and suggestions concerning this site will be received gratefully by Dan Watson: dmw@pas.rochester.edu .

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