for scene 32 of the video " Dark Matter: 'Discovered'" by Rolf Witzsche
here for a larger image
We know from ice core samples from Antarctica
We know from ice core samples from Antarctica that for the last half a million years, the deep glaciation, which may have been caused by the Sun going inactive, were interrupted periodically for a brief span of warm climates, termed the interglacials, of continuous solar activity. We are presently in one of the interglacial warm periods. It has run its course. The plasma density in the solar system is already fading.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.