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News Item Smithsonian Breaks Ground for National Air and Space Museum's Companion Facility at Dulles October 25, 2000 | 12:00am News Item Chandra X-ray Observatory Team and Scott Crossfield Are Smithsonian's National Air and Space Museum Trophy 2000 Winners November 13, 2000 | 12:00am News Item Smithsonian's National Air and Space Museum Announces "Explore the Universe" Exhibition March 14, 2001 | 12:00am News Item Smithsonian Awards Contract to Build National Air and Space Museum's Udvar-Hazy Center April 10, 2001 | 12:00am News Item Smithsonian's National Air and Space Museum to Host Distinguished Guests in Conversation with Sir Arthur C. Clarke May 11, 2001 | 12:00am News Item Smithsonian's National Air and Space Museum Announces Arrival of British National Treasure July 11, 2001 | 12:00am News Item Mars Day 2001 Blasts Off July 20 at the Smithsonian's National Air and Space Museum July 12, 2001 | 12:00am News Item Enjoy Dinner and a Movie! July 20, 2001 | 12:00am News Item Smithsonian's National Air and Space Museum Opens "Explore the Universe" Exhibition September 13, 2001 | 12:00am News Item Smithsonian's National Air and Space Museum Announces "Aerobatic Champions" Exhibition September 28, 2001 | 12:00am