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In this photo taken Friday, Jan. 21, 2011 in Concord, N.H., snow falls on he gravesite of high school teacher Christa McAuliffe. McAuliffe and the rest of the crew of the space shuttle Challenger died when the shuttle exploded in 1986. Before the world knew her as "the teacher in space," McAuliffe was known as a popular, energetic teacher who took a great interest in her students.
(AP Photo/ Jim Cole)