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The structure of the universe solar system The Great Wall of the Universe universe Galaxy galaxy
12-27
![The largest scale of the cosmic structure is the Great Wall of the Universe, what is the Great Wall of the Universe? Let's start with the solar system[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)