http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DGamma%20Ray%20Burst;f2-subject%3DSwift%20Gamma-Ray%20Burst%20Explorer Results for your query: expand=subject;f1-subject=Gamma Ray Burst;f2-subject=Swift Gamma-Ray Burst Explorer Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/68168main_swift-burst_m/6168main_swift-burst_m.dc.xml An artist's concept of the Swift Gamma-Ray Burst Explorer catching a gamma-ray burst. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/68168main_swift-burst_m/6168main_swift-burst_m.dc.xml Thu, 01 Jan 1970 12:00:00 GMT