Two nice seminars today: The first was Jonathan Zrake (NYU) talking about Chandra observations of Farrar's putative UHECR source to identify possible interesting candidate objects. The second was Juna Kollmeier (OCIW) talking about using measurements of the IGM to constrain the feeding of galaxies with gas and thereby make the link between the simple physics of the early universe and the complex end processes of galaxy formation.
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