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I read the question Faster-than-light communication using Alcubierre warp drive metric around a single qubit?, and these questions came to mind:

  1. What kind of impact would an Alcubierre warp bubble have on a local star's or planet's gravitational field?

  2. Could an Alcubierre warp buble be used inside a solar system without altering the orbits of planets or the orientation of stars?

  3. What would the effects be of a warp bubble in a planets atmosphere?

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With respect to AlanSE's comment about strange consequences, see also my unanswered question –  Retarded Potential Jan 22 '13 at 17:26
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