50 Years After Humans First Reached Space, What Frontiers Remain?

via Scientific American and Google:

On April 12, 1961, Soviet cosmonaut Yuri Gagarin did something no human had done before. On board the Vostok 1 spacecraft, Gagarin became the first person in space after rocketing into the sky from a launch site in Kazakhstan for a nearly two-hour flight. What is more, Gagarin became the first human to orbit Earth, a feat that the U.S. would not achieve until its third manned spaceflight, John Glenn’s three-orbit flight on Friendship 7, February 20, 1962. …

No one knows who the next Yuri Gagarin will be, or what flag will adorn his or her spacesuit, but below are a few solar system destinations that might find themselves festooned with fresh footprints in the next 50 years.

http://www.scientificamerican.com/article.cfm?id=first-person-in-space-yuri-gagarin

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