for scene 1 of the video " The Dimming Sun" by Rolf Witzsche - Ice Age Ahead not Global
here for a larger image
The Sun already varies by a factor 20
While in decapitated science the Sun is regarded to be an invariable constant, in the real world this is far from being the case. The luminance of the Sun already varies by a factor 20 in the high UV band during the course of the 11-year solar cycle.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.