Brooke Renee on Instagram: "On January 28, 1986, Space Shuttle Challenger lifted off from Kennedy Space Center with the whole country watching. Many people were in classrooms because a civilian teacher, Christa McAuliffe, was on board, and NASA planned for her to teach lessons from space. The launch looked normal at first. Then, just 73 seconds after liftoff, Challenger broke apart in the sky. All seven crew members were killed. Challenger’s mission, STS 51L, was meant to be a working flight. Th

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