NASA is considering issuing a challenge for developing stratospheric airships that can break records for duration of flight at high altitudes.
from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1uCrIhK
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NASA is considering issuing a challenge for developing stratospheric airships that can break records for duration of flight at high altitudes.
Over the course of several hours, technicians meticulously connected the inner and outer segments of NASA’s Nancy Grace Roman Space Tel...
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