for scene 56 of the video " The Incredible Experience vs Ice Age - part 2" by Rolf Witzsche
here for a larger image
High-mass brown-dwarf star WISE1828
In the case of a high-mass brown-dwarf star, like WISE1828, that may have a 50 times greater mass than Jupiter contained in the same volume as Jupiter, the star would have a mass density that is 12 times greater than that of the Earth, which has the highest mass density of all the planets. The comparison renders the brown-dwarf star many times denser than led, even denser than uranium.
How is this enormous mass-density possible for such a small star? In atomic physics the tight packaging would be a miracle that's not possible by any means. But in plasma physics, this extreme mass density is possible, and is evidently quite natural.
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Published by Cygni Communications Ltd.
North Vancouver, BC, Canada - (C) in public domain - producer Rolf A. F.