Yikes! So we must develop an artificial magnetosphere for Mars so that we can do it on Earth too?
Sent from my iPhone On Dec 16, 2022, at 3:03 PM, Gary Schiltz <g...@naturesvisualarts.com> wrote: We humans tend to think of such long-term thinking as silly, frivolous mind exercises for the elite educated. I would applaud such thinking. But western civilization has trouble with seven generations, let alone seven million generations. On Fri, Dec 16, 2022 at 3:21 PM David Eric Smith <desm...@santafe.edu<mailto:desm...@santafe.edu>> wrote: I doubt the answer would be interesting, but one could give it as a Fermi problem to an undergraduate geology class (who don’t do Fermi problems; but the physicists won’t know any geology). ... How much, for how long, can we extract, until the inner core grows enough that the geodynamo shuts down, ending the Earth’s magnetic field, the van Allen belts etc., and exposing the atmosphere directly to spalling by protons from the solar wind? -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . FRIAM Applied Complexity Group listserv Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom https://bit.ly/virtualfriam to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com FRIAM-COMIC http://friam-comic.blogspot.com/ archives: 5/2017 thru present https://redfish.com/pipermail/friam_redfish.com/ 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/
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