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Compiuta con successo una nuova tappa per SolarStratos, il progetto per un aereo a energia solare in grado di volare nella stratosfera. Un pallone aerostatico, equipaggiato con cellule fotovoltaiche, è stato lanciato oggi, sabato, ad un'altezza di 35'500 metri, dalla località friburghese di Châtel-St-Denis.
SolarStratos dovrebbe... prendere il volo nel 2018
L'aerostato è successivamente tornato al suolo in un campo nei pressi di Massonnens, ad una distanza di
circa 23 chilometri dal punto del lancio. Lo scopo dell'esperimento consisteva nel testare la
resistenza delle cellule in silicio nella stratosfera: per via della bassissima temperatura ad una simile quota (intorno a -70 gradi), esse finiscono inevitabilmente esposte a intensi
sbalzi termici. Il materiale sarà prossimamente esaminato in laboratorio.
Anche un bicchiere di vino bianco e una riproduzione della mucca "Happy Lilly" sono decollati insieme all'aerostato
Una nota più leggera: il pallone portava con sè anche del vino bianco neocastellano - evaporato a chissà quale quota - e una riproduzione della mucca "Happy Lilly", simbolo di
Presenza Svizzera, l'organizzazione responsabile per l'immagine della Confederazione all'estero. Il primo volo del velivolo SolarStratos è in programma nel 2018.
ATS/ARi
Dal TG20:
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