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James Edwin Webb (October 7, 1906 – March 27, 1992) was an American government official who served as Undersecretary of State from 1949 to 1952. He was the second Administrator of NASA from February 14, 1961, to October 7, 1968.
The telescope is named after James E. Webb, who was the administrator of NASA from 1961 to 1968 during the Mercury, Gemini, and Apollo programs. Webb's primary mirror consists of 18 hexagonal mirror segments made of gold -plated beryllium , which together create a 6.5-meter-diameter (21 ft) mirror, compared with Hubble's 2.4 m (7 ft 10 in).
Nearly a month after launch, a trajectory correction was initiated to place the James Webb Space Telescope into a halo orbit at L 2. [ 48 ] [ 49 ] Its next five months were spent cooling NIRCam and the Mid-Infrared Instrument down further, aligning and calibrating its mirrors while focusing on HD 84406, a bright star in the constellation Ursa ...
James Webb: Tenure at NASA. When the Soviet Union launched the first man-made satellite, “Sputnik,” into space and the space race heated up, Webb was put in charge of the United States ...
The James Webb Space Telescope is a space telescope operated by NASA and designed primarily to conduct infrared astronomy.Launched in December 2021, the spacecraft has been in a halo orbit around the second Sun–Earth Lagrange point (L 2), about 1.5 million kilometers (900,000 mi) from Earth, since January 2022.
The James Webb Space Telescope (JWST) is a space telescope designed primarily to conduct infrared astronomy. Its complex launch and commissioning process lasted from late 2021 until mid-2022. The U.S. National Aeronautics and Space Administration (NASA) led JWST's development in collaboration with the European Space Agency (ESA) and the ...
The James Webb Space Telescope's cryocooler is based originally on the TRW ACTDP cryocooler. [12] However, the JWST has had to develop a version to handle higher thermal loads. [13] It has a multi-stage pulse tube refrigerator that chills an even more powerful cooler. [12] That is a linear-motion Oxford-style compressor that powers a J-T loop. [13]
Unknown: Cosmic Time Machine is an episode of the four-episode 2023 Netflix documentary series Unknown, about NASA's development and launch of the James Webb Space Telescope. [1] The episode follows the development of the telescope from the 1990s through its 2021 launch and 2022 deployment, and the unveiling of some of the first images from the ...