|  | New Free E-books Available about Two Famous NASA Space Telescopes NASA's Hubble Space Telescope has been providing astounding images of the universe since April 1990 and has led to remarkable discoveries. NASA's James Webb Space Telescope is the next-generation telescope that will peer even deeper into space and unveil even more mysteries. Both of these extraordinary telescopes are now the topics of two free e-books available from the Apple iBookstore. This news release and its supporting materials are permanently achived at: http://hubblesite.org/newscenter/archive/releases/2012/50/ |  |
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