Emma Keeling finds out more about the James Webb Space Telescope, which promises to be the most powerful and complex telescope ever launched into space, fundamentally altering our understanding of the universe.

The JWST is NASA’s planned successor to the Hubble Space Telescope, though it's mirror is much bigger than Hubble’s, which will allow it able to peer deeper into the early universe and capture data on the formation of the first stars and galaxies.

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