Starburst Hardcover – June 1, 1982 by Frederik Pohl
 
The crew of the Constitution--scientists cum astronauts--had been carefully screened for extremely high intelligence and superb physical qualities. They were to be the first explorers sent to another stellar system. There they would explore the planet Alpha-Aleph and then return. They were the toast of the world press--true heroes, for they were to go where no man had gone before. Or so they thought.
 
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