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As you may or not be aware, we have a wonderful bubble created by the Sun. This Heliosphere (or bubble) protects us from plasma and other debris coming at us from the interstellar medium.
I have read a lot of threads on Dyson Shells and none seem to address what to do in the absence of our lovely Heliosphere.

Answers will be separated into two categories:

Dyson Shell proposals that allows for a Heliosphere to stay intact

Dyson Shell defense proposals.

NOTE: My ideal Dyson Shell is only about 3 million miles in radius (just over .03227 of an AU) due to heating and resource problems, as opposed to the typical 1 AU Dyson shell. The proposals do not have to take this size into account, but it is always a bonus.

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  • $\begingroup$ I am not entirely sure that I understand what you're looking for in an answer.. What criteria make an answer a good answer? And what do you mean by spreading them into different categories? $\endgroup$ – dot_Sp0T Feb 10 '17 at 21:48
  • $\begingroup$ Are these two different questions? What exactly defines "intact" for you in this case? And what is a "Dyson Shell defense proposal" supposed to be about? I think this question might get put on hold as it is in my opinion unclear what your asking. This is a standard procedure on this site to edit a question together with the community so that it fits the scope of the site. A question that is put on hold can be reopened after some edits were made. $\endgroup$ – Sec SE - clear Monica's name Feb 10 '17 at 21:53
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    $\begingroup$ What are you trying to protect the dyson shell from? Alien invaders, meteor strikes, space pirates siphoning off power? $\endgroup$ – Anketam Feb 10 '17 at 22:24
  • $\begingroup$ Dyson Sphere = "Infinite" energy = Big Lasers :) $\endgroup$ – PTwr Feb 11 '17 at 0:53
  • $\begingroup$ "... Heliosphere (or bubble) protects us from plasma and other debris ..." plasma partly, but you wouldn't notice the difference, anything else not. $\endgroup$ – Karl Mar 11 '19 at 6:47
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Joe talks about how to shed excess energy from a Dyson sphere in this answer.

Instead of constantly dumping that energy into the far reaches of space, use that energy-beam energy dissipation model but store sufficient store energy in capacitors to fuel beam weapons.

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