<div dir="ltr"><font size="4">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... </font><div><font size="4"><br></font></div><div><font size="4">John</font></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Oct 30, 2021 at 7:51 AM spike jones via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US" style="overflow-wrap: break-word;"><div class="gmail-m_3458617443300859252WordSection1"><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Hey cool, solar cycle 25 is giving us some early indications of being worthwhile. The monthly average for September was way up there.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">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.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Furthermore… sunspots are correlated with f10.7 cm radiation, which expands the upper atmosphere, sweeping out low earth orbit.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">So if one is in the satellite biz and does his EM shielding correctly, 10.7 cm radiation is our friend.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Check it out:<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><img width="702" height="346" style="width: 7.3125in; height: 3.6041in;" id="gmail-m_3458617443300859252Picture_x0020_1" src="cid:17d3b6e39db6917eb1"><u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">spike<u></u><u></u></p></div></div>_______________________________________________<br>
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