for scene 53 of the video " Galactic and Solar Systems with Ice Age Evidence - part 2" by Rolf Witzsche
here for a larger image
For our Milky Way Galaxy
For our Milky Way Galaxy, for example, the disk of stars is estimated to be between 100,000 and 180,000 light years wide, containing a field of approximately 100 billion to 400 billion stars, which are all solar systems of various types.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.