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Who Should Explore Space: Astronauts or Astro-Bots?

document.write(""); Check out our latest Space Exploration coverage: This Way to Mars In-Depth Report : The Future of Deep-Space Exploration Forget Asteroids—Send a Manned Flyby Mission to Venus How an Energy-Efficient Spacecraft Could Revolutionize Space Travel [Video] Breaking the Deep-Space Barrier [Interactive]

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American


Check out our latest Space Exploration coverage:

This Way to Mars

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


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Forget Asteroids—Send a Manned Flyby Mission to Venus

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

Breaking the Deep-Space Barrier [Interactive]