[ExI] cycle 25 showing some early promise

[John Grigg]

What are the odds of a monstrous solar flare taking out modern civilization
within the next fifty years? In a way, it could be far worse than a
pandemic...

John

On Sat, Oct 30, 2021 at 7:51 AM spike jones via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

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> Hey cool, solar cycle 25 is giving us some early indications of being
> worthwhile.  The monthly average for September was way up there.
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> If you are into this kinda thing, you know that cycle 24 was kind of a
> dud.  This caused me to worry we were going into a Maunder minimum which is
> thought to have some connection to the Little Ice Age from about the mid
> 1600s to about early 17s.  We don’t want another one of those.
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> Furthermore… sunspots are correlated with f10.7 cm radiation, which
> expands the upper atmosphere, sweeping out low earth orbit.
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> So if one is in the satellite biz and does his EM shielding correctly,
> 10.7 cm radiation is our friend.
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> Check it out:
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> spike
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> extropy-chat at lists.extropy.org
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>
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