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"The point sticks in your head: physics rules. Virtue does not triumph unless the physics allows it."
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This is an early expression of this idea; using the solid metal core of an ancient planet actually works better than an asteroid.
Many asteroids are just piles of rubble, held together by what little gravity comes from the mass of the objects. It wouldn't be possible to spin them for artificial gravity, or to excavate them.
This idea resurfaced in the 1960's:
For a very early use of the phrase, see hollow asteroid (1944) from Juke Box Asteroid by Joseph Farrell.
Hollowed-out asteroid habitats are also called "Cole bubbles" after Dandridge Cole. (See also the section asteroid habitats in Project Rho. Thanks also to @fredkiesche for tips.) Comment/Join this discussion ( 0 ) | RSS/XML | Blog This | Additional
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