James Webb Space Telescope Just Discovered 6 Galaxies So Old They Shouldn't Exist Anymore

The James Webb Space Telescope, or JWST, is one of the most advanced space observatories ever built, and it is set to revolutionize our understanding of the universe. One of its primary objectives is to observe the very first galaxies that formed after the Big Bang. These galaxies are thought to have formed just a few hundred million years after the birth of the universe, and they hold valuable clues to the early evolution of our cosmos. NASA's James Webb Space Telescope is currently the most advanced space telescope around, with cutting edge technology and advanced tools to let it see farther into the universe and see in much greater detail than ever before.
In particular, among its capabilities is the ability to, technically speaking, see through time. Time and distance have an interesting relationship. This is because visual images and signals need to actually travel in order to be seen. For example, the Sun is on average 150 million kilometers away from the Earth. Now, one might think that all sunlight that reaches Earth does so instantaneously, but that actually isn't true. Light has a set speed it can travel (specifically 299792458 meters per second, assuming it is traveling in a vacuum without any interference). This is very fast, but it isn't instantaneous.
With this speed in mind, we know that it takes light from the Sun a little over eight minutes to reach Earth. That means when we look at the Sun, we aren't seeing a live image of what is actually happening on the Sun. We're actually seeing what was happening on the Sun around eight minutes prior. Now take this idea and expand the scale so it applies across the universe. All stars emit light, which we can see. But the farther away the star is, the older what we're seeing is. If you're looking at a very distant star, you're actually seeing what happened a very long time ago.
Now! Let’s talk about the galaxies in question. The six potential galaxies spotted were estimated by the team to have existed around 500-700 million years after the Big Bang.
What are these galaxies? And what impact will they have on our understanding of the universe?
NASA has just discovered six giant galaxies that are so ancient, researchers have said that they shouldn't even exist anymore. A team of astrophysicists found the mysterious objects hiding in images taken from the James Webb Space Telescope, which was published in a study on 22 February. They've also revealed that this finding is 'pushing the limits to everything we thought we knew about space. NASA was able to find galaxies nearly as huge as the Milky Way, all full of some very mature red stars, a recent study has found. The images were obtained by the James Webb Space Telescope, which showed exactly just how far away these stars were. While only appearing as minuscule dots to the powerful telescope, astronomers have now been able to establish the age of the stars through analyzing the light emitting from the galaxies.

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[rebeccasmith]

I just love how "what we previously understood" becomes "we don't know wth we "understood."

[catsway]

Well I thought if they are a 100 billion light yrs away if we at that point in the now they would no longer exist because it took a 100 billion light yrs for the light to travel.

[G_Ozare]

"The wisdom of men is foolishness to God" - 1 Corinthians 3:19

"From the creation of the world, God’s invisible qualities, his eternal power and divine nature, have been clearly observed in what he made. As a result, people have no excuse." Romans 1:20