for scene 39 of the video " Cosmic Climate Change 2 From Big to Gigantc to Joy - part 1" by Rolf Witzsche - Ice Age Ahead not Global
here for a larger image
The reversal of the solar dynamics that ended the up-ramping of the Sun
The big cause may have been the reversal of the solar dynamics that ended the nearly 300-years up-ramping of the Sun, and had started the now ongoing collapse phase in solar activity.
When such big events happen, to something as big as the Sun, large shocks typically happen. Shocks tend to be of short duration, whereby they don't show up in the sunspot number records.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.