http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DObservatory%20(ground-based);f2-type%3DArtwork Results for your query: expand=subject;f1-subject=Observatory (ground-based);f2-type=Artwork Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/GCN/GCN.dc.xml Schematic of the GRB Coordinates Network (GCN), a system that distributes information about the location of a gamma-ray burst (GRB). The spacecraft sends the GRB location information down to a ground station, which in turn relays it to the GCN at the NASA Goddard Space Flight Center. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/GCN/GCN.dc.xml Thu, 01 Jan 1970 12:00:00 GMT