Wouldn't the planet's atmosphere and oceans fall into the trench? | Hacker News

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		nitrogen on Feb 5, 2014 \| parent \| context \| favorite \| on: Torus-Earth Wouldn't the planet's atmosphere and oceans fall into the trench?

CanSpice on Feb 5, 2014 | [–]

Yes, which is why you dig the trench deep enough to cover it over again, make it airtight, and pump out all of the atmosphere to make a vacuum torus inside the planet.

drakeandrews on Feb 5, 2014 | [–]

There were either walls on either side of the trench, or the planet was a barren rock to begin with.

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