• Deestan@lemmy.world
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    23 hours ago

    Are there any restrictions on material?

    If not, I have stack of dirty nitrogen in my backyard over 100km tall, technically reaching space.

    • Poach@lemmy.world
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      12 hours ago

      I’m pretty sure anything physical referred to as a pyramid would have to keep its shape, and therefore must be a solid.

      • Deestan@lemmy.world
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        9 hours ago

        That makes sense. Though at geological scales the distinction between solid and non-solid blurs a bit. Mountains are not solid to a slow enough observer.