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A Very, Very Old Galaxy

The ancient galaxy—dubbed “Maisie’s Galaxy”—alongside the other NIRCam images.
The ancient galaxy—dubbed “Maisie’s Galaxy”—alongside the other NIRCam images. Image: NASA/STScI/CEERS/TACC/S. Finkelstein/M. Bagley/Z. Levay

In this image, you can see the four NIRCam images in their entirety. And in one section, the CEERS Collaboration team thinks they’ve found an incredibly ancient galaxy, at a redshift greater than z=11.8. If future observations confirm their suspicions, we’re seeing the galaxy as it was less than 400 million years after the Big Bang. 

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