7 of 22: Students at Marian High School in Framingham, Mass., appear stunned as they watch a telecast of the explosion of the Space Shuttle Challenger, Tuesday, Jan. 28, 1986. Schoolteacher Christa McAuliffe, who died with the rest of the crew in the disaster, was a Framingham native and a 1966 graduate of the high school. (AP Photo/ PAUL KAPTEYN)

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