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When We Left Earth: The NASA Missions

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Discovery Channel chronicles the first 50 years of space travel -- from the first Mercury flights through the Gemini program to the Apollo moon landings, the Space Shuttle, and the construction of the International Space Station -- with this dazzling six-hour documentary. The series incorporates interviews with eyewitnesses (astronauts John Glenn and Neil Armstrong among them) and original NASA mission footage that has been transferred to high-definition clarity. Actor Gary Sinise, who portrayed astronaut Ken Mattingly in "Apollo 13," narrates.

Latest episodes

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Astronauts attempt to fix a defective main mirror on the Hubble Space Telescope in NASA's most important mission since the Apollo era; the space station paves the way back to the moon and mars.
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The development of the space shuttle and a new revolutionary approach to space travel; tragedy strikes when Challenger explodes.
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NASA rebounds from the Apollo 1 tragedy with missions into deep space and the moon.
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NASA lands Neil Armstrong and Buzz Aldrin on the moon.
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Mercury astronauts launch pioneering missions into space.
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Mercury astronauts and engineers figure out how to launch a man into space on top of an intercontinental ballistic missile.

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