File:Learjet Observatory Telescope.jpg

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English: Left: The Learjet Observatory (Learjet 24B aircraft) flying above California in the early 1970’s. The telescope was just in front of the wing. Right: Scientist Carl Gillespie using a 12-inch infrared telescope while flying aboard the Learjet 23 aircraft at 50,000 feet in 1968.
Date 1968, 1970s
Source https://www.nasa.gov/aeronautics/history-of-airborne-astronomy-at-nasa/
Author NASA
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current12:24, 11 January 2024Thumbnail for version as of 12:24, 11 January 2024872 × 900 (301 KB)Artem.GFile:Learjet in and out.jpg cropped 57 % horizontally using CropTool with lossless mode.

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