La Stazione spaziale internazionale ha un tocco di verde in più. È infatti sbocciato il primo fiore coltivato in orbita nell’ambito dell’esperimento di giardinaggio spaziale che aveva già portato a un raccolto di lattuga la scorsa estate.
L’astronauta della NASA Scott Kelly ha immortalato la zinnia arancione, questo il nome del fiore, con i suoi petali colorati sullo sfondo buio dello spazio.
La fioritura rappresenta un ulteriore successo rispetto all’insalata, poiché la coltivazione del fiore è più complessa e delicata. Questi esperimenti servono a verificare la sostenibilità di colture spaziali destinate a missioni di lunga durata, come ad esempio un viaggio verso Marte.
ANSA/sf
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