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Eyes on the stars

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On January 28, 1986, NASA Challenger mission STS-51-L ended in tragedy when the shuttle exploded 73 seconds after takeoff. On board was physicist Ronald E. McNair, who was the second African American to enter space. But first, he was a kid with big dreams in Lake City, South Carolina.

When Ronald dreamed of being an astronaut, it seemed like a crazy goal for an African-American because of the discrimination of the time. Can you think of any groups today who are still discriminated against the way Ronald was?

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