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Il ritorno alla Luna degli Stati Uniti potrebbe essere affidato a un privato. Il veicolo senza equipaggio "Peregrine" (Pellegrino), realizzato da un'azienda della Pennsylvania, la Astrobotic, e in grado di eseguire una discesa morbida sulla superficie lunare, ha avuto il via libera dalla Nasa. Lo ha annunciato la stessa agenzia spaziale americana.
Il lancio è in programma nel 2021 a bordo del vettore privato "Vulcan Centaur", della United Launch Alliance, una joint venture tra Lockheed Martin e Boeing. Il lanciatore Vulcan, al suo primo volo, è destinato a rimpiazzare i vettori Delta e Atlas.
Il lander della Astrobotic sarà il primo veicolo americano a posarsi sulla superficie lunare dopo la missione Apollo 17 del 1972. Peregrine, delle dimensioni di un'utilitaria, "è progettato per sopravvivere sulla Luna almeno otto giorni dopo lo sbarco", spiegano i tecnici della Astrobotic. Può, inoltre, ospitare una quindicina di esperimenti.
ats/joe.p.
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