Cosmologists have found galaxies that are said to be too old to exist. Why isn’t this simply evidence that the universe is older than we think?
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There’s still a whole lot left to learn about the Universe so everything we think we know currently, could very well be overturned with future observations and exploration.
The Universe as we know it is somewhere around 13.8 billion years old and it’s believed that stars and galaxies didn’t start forming until several hundred million years after the initial inflation event.
Anytime something is found that is considered to be “to old” it’s done so with the current knowledge that we have.
The galaxy in question is basically too big and unusual for the age that it should be, which means it should’ve started forming much, much earlier than current theories suggest.
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