NASA says that it can build a magnetic dipole shield at the Mars L1 Lagrange Point, but how do they support the electricity?
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Related (links to same article): Is NASA doing research on “mini-magnetospheres” to protect crew from radiation in space? I'm not sure that NASA "says they are doing it" as much as they simply hosted an event for a group of people where this (among other things) was discussed. Your question is certainly valid though. Here's the paper that the article links to: https://www.hou.usra.edu/meetings/V2050/pdf/8250.pdf – uhoh Feb 20 '19 at 12:47
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They haven't got that far yet.
This article says scientists have proposed a method for creating an artificial magnetic field. The next steps are:
- Design a system that can generate the magnetic field required.
- Calculate how much power that system needs.
And then, if the result of 1. and 2. is a feasible system and not e.g. far too large for us to launch into orbit, they can start thinking about how that power will be provided.
Hobbes
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