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Observations

Observations

Opinion, arguments & analyses from the editors of Scientific American

Who Should Explore Space: Astronauts or Astro-Bots?

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Check out our latest Space Exploration coverage:

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In-Depth Report : The Future of Deep-Space Exploration

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How an Energy-Efficient Spacecraft Could Revolutionize Space Travel [Video]

Breaking the Deep-Space Barrier [Interactive]

The views expressed are those of the author and are not necessarily those of Scientific American.

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