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Originally Posted by Normandy6644
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Originally Posted by tdn
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Originally Posted by Drakheim
Err, the blocks would pull themselves together to form a rather large cube.
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Really? Not a ball? And wouldn't the interior of the structure heat up a great deal? |
The interior definitely would heat up because of the pressure, but it wouldn't form a ball unless it were under some central force. The outer structure might begin to pull in on itself, but assuming the blocks were made of a non-stretchable material, I think they would remain blocks. |
"Some central force" like gravity, perhaps? Remember, we're talking about a cube half a million miles on a side. Remember the discussion about planets vs. planetoids vs. asteroids, and how without exotic materials, things will pull themselves into spheres at something a bit under 1,000 miles diameter (I could be wrong, might be km). Remember this thing will have a mass around 5*10^29 kg times the specific gravity of steel (or whichever material you choose for the blocks).
Now that I think about it a bit more, I guess "non-stretchable material" sounds like the "exotic materials" I mentioned. But the OP mentioned specific materials, none of which are that exotic.
Otherwise, you could easily make a hollow Moon out of titanium. :wink: