Other Free Encyclopedias » 21st Century Webster's Family Encyclopedia » 21st Century Webster's Family Encyclopedia - Catherine de' Medici to Children's home



Challenger, one of the 4 space shuttles of the NASA space program. On Feb. 3, 1984, it began a spectacular flight (its fourth mission) during which 2 astronauts became the first human beings to fly freely in space. On Jan. 28, 1986, Challenger exploded shortly after lift-off with a crew of 7 aboard.

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