NASACast Audio

Gravity Assist: Meet a Webb Scientist Who Looks Back in Time


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The James Webb Space Telescope awed the world on July 12 with its first images and data. And it’s just getting started with its exploration of the cosmos. Dr. John Mather, the observatory’s senior project scientist, has been working toward this milestone for more than 25 years.
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NASACast AudioBy National Aeronautics and Space Administration (NASA)