http://www.rssboard.org/rss-specification 720 http://ecuip-xtf.lib.uchicago.edu/xtf/search?f7-spectral-Type%3DMicrowave Results for your query: f7-spectral-Type=Microwave Thu, 01 Jan 1970 12:00:00 GMT http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/NASA-COBE-MAP/NASA-COBE-MAP.dc.xml The final CoBE all-sky map of the apparent fluctuations in the cosmic background, thought to be the seeds of the large scale structure of the Universe. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/NASA-COBE-MAP/NASA-COBE-MAP.dc.xml Thu, 01 Jan 1970 12:00:00 GMT