Scale in the universe is hard to understand from a purely human perspective. Many times, the math just doesn't sit well with our brains, which evolved to capture and process data about the world ...
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A tightly packed galaxy collision near cosmic dawn surprised the astronomers who found it
Five galaxies caught in the act of merging just 800 million years after the Big Bang have forced astronomers to rethink how quickly the early universe could build dense structures and spread heavy ...
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