docduracoat t1_irjabga wrote
Reply to comment by cynical_gramps in Continent-Size Dust Storm on Mars Threatens to Shorten NASA InSight Lander's Last Days by Sariel007
you have a valid point that radio thermal generators could be used on these mars missions.
However it is a major problem to get plutonium for these batteries and it’s dangerous to send plutonium up from earth into space.
Everything is a trade off and you can bet NASA look very carefully at this question
cynical_gramps t1_irjbb5r wrote
Nothing says we can’t think of different designs.
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