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This sounds like a job for https://what-if.xkcd.com/
Is there enough obsidian on this planet? Would its weight crush the earth’s crust? How would we construct it?
Well, the chapter 54: Snowball in Randall’s book What If? 2 contains the following, semi-related graphic:
(Maximum diameters of spheres of various materials before collapsing under their weight, which is about the same as the material’s free-hanging length)I think the answers are yes, somewhat (in addition to collapsing under its own weight), and probably impossible.
Yea I doubt that it would be that cheap. The price would skyrocket for such a demand. But the humm sounds great so, who am I to judge.
Ominous hum?!?!
2b2t players:
