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NBC News

Inside the modern marvel that could reshape our understanding of the universe

04:00

The James Webb Space Telescope is set to reshape our understanding of the universe. The successor to the Hubble telescope has taken more than 30 years, almost $10 billion and numerous scientific and engineering breakthroughs to build. Here's what you need to know about its journey and how it could revolutionize astronomy.Dec. 21, 2021

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