Journey to Jupiter (1965, 1966) is a juvenile science fiction novel, the eighth in Hugh Walters' Chris Godfrey of U.N.E.X.A. book series. Preceded by Terror by Satellite. Followed by Mission to Mercury.
The first manned expedition to Jupiter reaches speeds never experienced before; despite this it takes several months to reach its objective, leading to tensions among the crew, as well as serious vision problems caused by "light slip" A miscalculation in the gravity of Jupiter means that they will not be able to stop in time and will crash into the giant planet. A diversion to the jagged Io offers their only chance of survival.
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http://www.sf-encyclopedia.com/entry/walters_hugh
https://en.m.wikipedia.org/wiki/Journey_to_Jupiter
Aventura / Drama / Ficção científica / Literatura Estrangeira / Romance / Suspense e Mistério