Astronomy 102: black holes, time warps, and the large-scale structure of the Universe
University of Rochester, Fall semester 2009


(NASA/CXO)


(NASA/WMAP)

Features of current interest  (archive)

Its X rays flicker 100 times more slowly that stellar-mass black holes and 100 times faster than the Galactic Center BH: finally, a 10000 solar-mass black hole? (11/10/2009),
Is the new NASA Fermi gamma-ray observatory detecting dark matter in the center of the Milky Way? (11/10/2009)
It's like a Type Ia supernova, except in a white dwarf accreting material from another white dwarf instead of a normal star. (11/5/2009)
New distance record for galaxy clusters:it's 10.2 billion light years away, and was already a full-fleged rich cluster when the Universe was only a quarter of its present age. (10/23/2009)

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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