Astrophysical Virtual Observatory

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51	Microsoft Word - 25-SI Astrophysical Observatory.doc Add to Reading List Source URL: www.si.edu Language: English - Date: 2008-04-01 13:44:00 Harvard University Space telescopes Smithsonian Astrophysical Observatory X-ray telescopes Fred Lawrence Whipple Observatory Harvard–Smithsonian Center for Astrophysics National Virtual Observatory European Southern Observatory Chandra X-ray Observatory Spaceflight Astronomy Space
52	PDF Document Add to Reading List Source URL: www.eso.org Language: English - Date: 2013-04-30 08:22:04 European Space Agency Hubble Space Telescope Astrophysics Active galactic nucleus Blazars Quasar BL Lac object European Southern Observatory Astrophysical Virtual Observatory Astronomy Space Space telescopes