http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DObservatory%20(space-based);f2-subject%3DUhuru Results for your query: expand=subject;f1-subject=Observatory (space-based);f2-subject=Uhuru Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/uhuruExplode-72bigfromChandrasite/uhuruExplode-72bigfromChandrasite.dc.xml The Uhuru X-ray satellite, equipped with a relatively simple instrument - a sensitive X-ray detector similar to a Geiger counter attached to a viewing pipe to locate the source - made some astounding discoveries. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/uhuruExplode-72bigfromChandrasite/uhuruExplode-72bigfromChandrasite.dc.xml Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/484px-X-Ray_Explorer_Satellite_wikipedia/484px-X-Ray_Explorer_Satellite_wikipedia.dc.xml Marjorie Townsend and a colleague with the Uhuru satellite. Dr. Townsend, who was the Project Manager of the Small Astronomy Satellite Program, named the satellite Uhuru, which means freedom in Swahili. Uhuru would go on to detect evidence of black holes, neutron stars, and vast expanses of hot gas in systems containing thousands of galaxies. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/484px-X-Ray_Explorer_Satellite_wikipedia/484px-X-Ray_Explorer_Satellite_wikipedia.dc.xml Wed, 02 Dec 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/GiacconiUhuruSatellite1970/GiacconiUhuruSatellite1970.dc.xml Riccardo Giacconi stands with the Uhuru satellite, circa 1970. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/GiacconiUhuruSatellite1970/GiacconiUhuruSatellite1970.dc.xml Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/uhuruLaunch-72/uhuruLaunch-72.dc.xml Awaiting launch from the San Marco Platform in Kenya, Uhuru was the first satellite specifically for the purpose of X-ray astronomy. It was also known as the X-ray Explorer Satellite SAS-A, for Small Astronomy Satellite A, being first of the three-spacecraft SAS series. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/uhuruLaunch-72/uhuruLaunch-72.dc.xml Thu, 01 Jan 1970 12:00:00 GMT