GNOSISUnveiled

Did JWST Discover The Oldest Galaxy Ever Seen? It’s Complicated

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If you’ve been following or, perhaps, , you’ve likely come across a story about the James Webb Space Telescope’s latest find: the “oldest galaxy we’ve ever seen.”

This is exactly what we were promised from the James Webb Space Telescope. Only a week ago, the world’s collective jaw hit the floor when . Now the telescope is getting a proper start on its , but researchers have already had access to a ton of data collected during JWST’s commissioning phase and released early to researchers across the globe.

That’s how we ended up finding “the oldest galaxy” so quickly. Scientists pored through a particular dataset looking for far-off galaxies and found a candidate they’ve dubbed GL-z13, a call-back to the current confirmed record holder, GNz11. 

There’s more work to be done to confirm GL-z13 is actually the new record holder – some of which will require more time pointing Webb at the galaxy – but even so, several publications have already crowned this galaxy the universal champion. 

So how did we get here? And is this “the oldest galaxy” ever seen?

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Over the last 24 hours, two different research groups uploaded papers (one , https://www.spacelaunchreport.com/ the other ) to arXiv detailing their search for very distant galaxies in the James Webb data. 

The website “arXiv” (I pronounce it “ark-siv” because I am a heathen, but others assure me it’s pronounced “archive”) is a preprint repository, a place for scientists to drop studies so they can be quickly disseminated to peers. It’s a great place to quickly get new research out into the world, particularly for astronomy and astrophysics, with the caveat being that the findings have not typically been peer-reviewed – an important checkpoint for validating the study and its methods.

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