http://www.rssboard.org/rss-specification 720 XTF Search Results (expand=subject;f1-subject=Observatory (ground-based);f2-subject=VERITAS (Very Energetic Radiation Imaging Telescope Array System)) http://ecuip-xtf.lib.uchicago.edu/xtf/search?expand%3Dsubject;f1-subject%3DObservatory%20(ground-based);f2-subject%3DVERITAS%20(Very%20Energetic%20Radiation%20Imaging%20Telescope%20Array%20System) Results for your query: expand=subject;f1-subject=Observatory (ground-based);f2-subject=VERITAS (Very Energetic Radiation Imaging Telescope Array System) Thu, 01 Jan 1970 12:00:00 GMT The VERITAS Array. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/New_Array/New_Array.dc.xml VERITAS (Very Energetic Radiation Imaging Telescope Array System) is a system of four ground-based telescopes focused on gamma-ray science. Since gamma-rays cannot penetrate the atmosphere, the telescopes are detecting the particles created when gamma-ray photons collide with the atmosphere. Optical telescopes can then image the display the secondary particles make when passing through the atmosphere. http://ecuip-xtf.lib.uchicago.edu/xtf/view?docId=grxr/New_Array/New_Array.dc.xml Thu, 01 Jan 1970 12:00:00 GMT