A Second Earth, and OSIRIS REx is Go for Asteroid Bennu
Published April 22, 2014
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28 min
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    Finally found: an Earth-sized planet in the habitable zone. You’ll hear lead scientist Elisa Quintana make the announcement. Then OSIRIS REx mission Principal Investigator Dante Lauretta will tell us how the spacecraft will return a sample of material from the birth of the solar system.

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