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Showing posts from May 11, 2025

James Webb Just Saw the Oldest Galaxy Ever – Here’s What That Means

πŸ”­ James Webb Just Saw the Oldest Galaxy Ever – Here’s What That Means Webb Telescope ancient galaxy piercing ... 🌌 Introduction: A Glimpse into the Universe's Baby Album On a clear cosmic day (a few billion years ago), light left a newly forming galaxy — and after traveling across 13.5 billion light-years , it finally hit the golden mirror of NASA’s James Webb Space Telescope (JWST) . The result? We’ve officially spotted the oldest galaxy ever observed. But this isn’t just about distance. It’s about time, cosmic origin, and rewriting what we thought we knew about the birth of galaxies. 🧬 What Did James Webb Discover? In late 2023, JWST detected a galaxy named JADES-GS-z13-0 (yes, a bit of a mouthful), located at a redshift of z ~ 13.2 , which places it roughly 325 million years after the Big Bang . That might sound like a lot — but in cosmic terms, it’s practically the “hello world” moment of the universe. This galaxy is now the oldest and most distant known in ...