Astronomers just discovered two galaxies that were previously invisible to us. Located 29 billion light-years away from the Earth—which, in galactic terms, isn’t as far as it sounds—their discovery has led scientists to question our perceptions around the evolution of the universe since “Big Bang”.

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Even in galactic terms that is far.


The important bit that makes the headline make sense: >Their discovery suggests that the universe may actually contain many more galaxies than scientists had previously assumed.


Damn do you ever just sit in awe of space and everything there still is to discover?


can I get an ELI5 on how something can be 29 billion light years away, when the universe is projected to be 13.8 billion years old?


This is why I’m not emotionally invested in things like the Fermi Paradox or Dark Matter that rely on the size and composition of the “entire universe.” Our analysis of stellar objects just isn’t complete enough. The boundaries of the discovered universe and its contents keeps changing every few years. When I was younger, the universe was 30 billion light years across. Now it’s at least 93 billion light years. I’m not saying that kind of research and discourse isn’t worthwhile — it’s exciting and interesting! But I am saying that using facts at the cutting edge of our technology and knowledge is a foundation of sand.