Satelitul Roentgen, sau ROSAT, va cădea cel mai probabil în acest weekend sau în primele două zile ale săptămânii viitoare. Când va intra în atmosfera planetei, o mare parte din ce va rămâne din satelit va cădea pe suprafaţa Pământului, iar oamenii de ştiinţă sunt de părere că rămăşiţele vor ajunge undeva între Canada şi America de Sud. Ba chiar există o şansă din 2.000 ca o persoană să fie lovită de o bucată de satelit.
În urmă cu o aproximativ o lună, la sfârşitul lui septembrie, s-a prăbuşit în Oceanul Pacific satelitul UARS al NASA, rămas fără combustibil. Pentru că ROSAT nu are un sistem de propulsie şi nu are combustibil, direcţia acestuia nu poate fi controlată.
ROSAT a fost lansat în iunie 1990, ca proiect comun al Germaniei cu SUA şi Marea Britanie. În 1998, un senzor de lumină s-a stricat, iar camera video a rămas îndreptată către Soare, ceea ce a distrus lentilele şi aparatul întru totul. ROSAT a fost scos din uz un an mai târziu.
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