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James Webb Telescope: Revolutionizing Our Cosmic Understanding

12/26/2025

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Summary

Story summary

The James Webb Space Telescope (JWST) launched on December 25, 2021, from French Guiana, marking the deployment of the most powerful telescope ever built.
JWST cost about $9.7 billion.
JWST observes primarily in infrared, including evidence of life-sustaining atmospheres on distant exoplanets and the discovery of new planetary types.
Researchers anticipate JWST will continue to reshape our understanding of the cosmos well into the 2040s.

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Story summary

The James Webb Space Telescope (JWST) launched on December 25, 2021, from French Guiana, marking the deployment of the most powerful telescope ever built.
JWST cost about $9.7 billion.
JWST observes primarily in infrared, including evidence of life-sustaining atmospheres on distant exoplanets and the discovery of new planetary types.
Researchers anticipate JWST will continue to reshape our understanding of the cosmos well into the 2040s.