NASA’s long-delayed James Webb Space Telescope, a $10 billion marvel of engineering and scientific ambition launched into deep space on Dec. 25, 2021 from French Guiana (Provided by Washington Post feed). YouTube Tips ⓘ
NASA’s James Webb Space Telescope launched during Ariane flight VA256 on schedule about 6:20 a.m. CST on Christmas morning, December 2, 2021 from Kourou, French Guiana, on the northeastern coast of South America. The James Webb Space Telescope (JWST) is a space telescope jointly developed by NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA). JWST is the planned successor to the Hubble Space Telescope. JWST may provide detailed atmospheric characterization of potentially habitable exoplanets with improved infrared resolution and sensitivity over the Hubble Space Telescope. JWST is expected to provide visualization of some of the most distant events and objects in the universe, such as the formation of the first galaxies.
JWST is expected to be deployed in deep space near the Sun–Earth L2 Lagrange point, which is about 930,000 mi from Earth (0.01 au or 3.9 times the distance of the Moon). The telescope must be kept very cold in order to observe in the infrared spectrum without interference. A large sunshield made of silicon- and aluminum-coated Kapton will keep its mirror and instruments below 50 K (−223 °C; −370 °F).
James Webb Space Telescope Launch — Official NASA Broadcast (Feed provided by NASA). YouTube Tips ⓘ
The instrument successfully separated from the transport vehicle, successfully deployed the solar array, and successfully measured positive power from the solar array just before 7:00 a.m. CST.
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