National Air and Space Museum, Smithsonian Institution Weather permitting, the Museum's new observatory will be open for a rare night-time star gazing. Don't miss this chance to see an array of celestial objects through a powerful professional telescope. The observatory contains a 16-inch, 3,000-pound Boller and Chivens telescope on loan from Harvard College Observatory. Afterward, stay for the lecture about the Hubble Space Telescope by astronaut John Grunsfeld in the Lockheed Martin IMAX Theater. FREE Tickets are required for the lecture only. Reserve yours here: http://www.nasm.si.edu/events/lectures/ticketsform.cfm

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