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Webb is the formal successor to the Hubble Space Telescope (HST), and since its primary emphasis is on infrared astronomy, it is also a successor to the Spitzer Space Telescope. Webb will far surpass both those telescopes, being able to see many more and much older stars and galaxies. [169]
NASA's James Webb Space Telescope (JWST), originally known as the Next Generation Space Telescope, was renamed after Webb in 2002. Launched on December 25, 2021, it is considered the successor to the Hubble Space Telescope. [30]
In 2012, another possibility emerged: NASA could use a second-hand National Reconnaissance Office (NRO) telescope made by Harris Corporation to accomplish a mission like the one planned for WFIRST. NRO offered to donate two telescopes, the same size as the Hubble Space Telescope but with a shorter focal length and hence a wider field of view. [14]
The Webb, as it is often referred to, was designed to replace the 31-year-old Hubble telescope. It is 100 times more powerful than the Hubble; in fact, Webb is powerful enough to look back in time.
They found that the new measurements were in line with those previous ones from the Hubble telescope. That rules out that the former telescope had made some inaccuracy – and indicate that it is ...
Plans for a Hubble successor materialized as the Next Generation Space Telescope project, which culminated in plans for the James Webb Space Telescope (JWST), the formal successor of Hubble. [273] Very different from a scaled-up Hubble, it is designed to operate colder and farther away from the Earth at the L2 Lagrangian point , where thermal ...
However, the telescope itself is not serviceable, and astronauts would not be able to perform tasks such as swapping instruments, as with the Hubble Telescope. [23] The telescope was released from the upper stage 27 minutes 7 seconds after launch, beginning a 30-day adjustment to place the telescope in a Lissajous orbit around the L 2 Lagrange ...
The James Webb Space Telescope was launched on Christmas 2021. It’s more advanced than the older Hubble telescope, which remains in use.