26 January 2021, Hamburg: Behind the open hatch, the reflecting telescope of the flying stratospheric observatory "SOFIA" can be seen inside a converted Boeing 747 during final checks at Lufthansa Technik. The
NASA's SOFIA airborne observatory takes flight – an annotated graphic – Engineering & Technology magazine
Observatory | Deutsches SOFIA Institut | University of Stuttgart
End Of An Era: NASA's SOFIA Boeing 747 Has Taken Its Last Ever Flight
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Sofia, the Historic Airplane-Borne Telescope, Lands for the Last Time | WIRED
Go Behind-The-Scenes on SOFIA | NASA
SOFIA Comes Out of Maintenance Mission Ready | Aerospace Tech Review
NASA SOFIA – SOFIA Southern Deployment
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Stratospheric Observatory for Infrared Astronomy - Wikipedia
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NASA Deploys SOFIA Observatory in Chile - Diálogo Américas
SOFIA – the airborne infrared observatory - DLR Portal
SOFIA | IPAC
NASA's SOFIA 747SP Flies its Last Mission - Airport Spotting
NASA's SOFIA Flying Observatory Marks 100th Flight | NASA
SOFIA - Stratospheric Observatory for Infrared Astronomy - German Aerospace Center - NASA - YouTube
Costly SOFIA telescope faces termination after years of problems
NASA's costly SOFIA telescope has reached its end. But its legacy lives on
SOFIA: NASA's telescope in the sky | CNN
NASA's Flying SOFIA Telescope Observatory Damaged by Storm - CNET
Inside SOFIA, NASA's flying telescope in Christchurch - YouTube
Saying goodbye to SOFIA, NASA's 747 with a telescope | Popular Science
Inside SOFIA, NASA's airborne infrared telescope – San Bernardino Sun
