http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?f4-type%3DObservation;f5-associated-Lesson%3DGamma%20Ray%20Impact Results for your query: f4-type=Observation;f5-associated-Lesson=Gamma Ray Impact Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/grb_970228/grb_970228.dc.xml Eight hours after the detection of GRB 970228, BeppoSax was able to isolate an X-ray source at the location in the Orion constellation. This is the first X-ray counterpart data captured following a gamma-ray burst. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/grb_970228/grb_970228.dc.xml Fri, 28 Feb 1997 12:00:00 GMT