Science and technology

Associated Press
A drawing provided by Inspiration Mars shows an artist’s conception of a spacecraft envisioned by the private group, which wants to send a married couple on a mission to fly by the red planet and zip back home, beginning in 2018. The nonprofit “Inspiration Mars” will get initial money from multimillionaire Dennis Tito, the first space tourist. Outsiders put the price tag at more than $1 billion. The mission, announced Wednesday, Feb. 27, 2013, would last more than 16 months. (AP Photo/Inspiration Mars)

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