https://en.wikipedia.org/wiki/MoM-z14
Any photon with energy above 24.6 eV is going to ionize any atom. K, L X-rays would certainly ionize atoms.
https://www.scientificamerican.com/article/whats-the-most-distant-galaxy/
The James Webb Space Telescope has found the most distant galaxy ever seen, at the dawn of the cosmos. Again.
https://www.skyatnightmagazine.com/news/webb-mom-z14
A Cosmic Miracle: A Remarkably Luminous Galaxy at zspec = 14.44 Confirmed with JWST...
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