A big MAC may be the answer to landing on Mars and orbiting Neptune

In 2014 MSNW LLC of Redmond Washington suggested that a magnetic field around ionized gas could be used to slow a spacecraft down sufficiently to eliminate the need for a thermal protection system, or as it’s more commonly known, a heat shield.

On an infinitely smaller scale MSNW was proposing to create the same sort of magnetic field around a spacecraft that exists around the Earth as a result of its rotating core of iron and nickel.Mag00002
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