I remember some of the stuff, like the third planet (little white blobs) from the sun (big white blob) being "raised" to indicate where the manikins live. The blue/white thing next to the man is supposed to give the approximate height of a person (binary, in multiples of some wavelength or other)*.
Though it looks more like something grandma has knit, well into her Alzheimer's years.
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* Is that something that I'd expect the mattresses on Squornshellous Alpha to understand? Nope!