This time we are looking on the crossword clue for: Bulgarian capital.
it’s A 17 letters crossword puzzle definition. See the possibilities below.
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Possible Answers: SOFIA.
Last seen on: –Premier Sunday – King Feature Syndicate Crossword – Oct 17 2021
–The Sun – Two Speed Crossword – Dec 26 2019
–Universal Crossword – Nov 4 2018
–Irish Times Simplex Crossword – Sep 29 2018
Random information on the term “SOFIA”:
The Gerard P. Kuiper Airborne Observatory (KAO) was a national facility operated by NASA to support research in infrared astronomy. The observation platform was a highly modified Lockheed C-141A Starlifter jet transport aircraft (s/n: 6110, registration: N714NA, callsign: NASA 714) with a range of 6,000 nautical miles (11,000 km), capable of conducting research operations at altitudes of up to 48,000 feet (14 km).
The KAO was based at the Ames Research Center, NAS Moffett Field, in Sunnyvale, California. It began operation in 1974 as a replacement for an earlier aircraft, the Galileo Observatory, a converted Convair 990 (N711NA), that was destroyed in a collision with a U.S. Navy Lockheed P-3C Orion patrol aircraft in 1973.
The KAO’s telescope was a conventional Cassegrain reflector with a 36-inch (91.5 cm) aperture, designed primarily for observations in the 1 to 500 μm spectral range. Its flight capability allowed it to rise above almost all of the water vapor in the Earth’s atmosphere (allowing observations of infrared radiation, which is blocked before reaching ground-based facilities), as well as travel to almost any point on the Earth’s surface for an observation.