James Webb Telescope: A scientist explains its first images and how it will change astronomy

The James Webb telescope.

NASA has released the first observations from the new James Webb Telescope. Image: NASA/Chris Gunn

Martin Barstow
Professor of Astrophysics and Space Science, University of Leicester
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SMACS 0723. James Webb Telescope
Images like this from James Webb Telescope, will help us understand how the first stars and galaxies formed. Image: NASA, ESA, CSA, and STScI
Stephen’s quintet. James Webb telescope
Stephan’s Quintet, a group of five galaxies that are merging some 290 million light-years away in the constellation Pegasus. Image by James Webb telescope Image: NASA, ESA, CSA, and STScI
A star forming region in the Milky Way, as captured by James Webb telescope
The Carina Nebula, one of the largest and brightest nebulas, as captured by James Webb telescope. Image: NASA, ESA, CSA, and STScI
Southern Ring Nebula.
The Southern Ring or “Eight-Burst” nebula, two dying stars orbiting each other. Image: NASA, ESA, CSA, and STScI
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