(July 22, 2018 at 9:18 pm)Succubus Wrote: I'm sort of sure Jupiter doesn’t have the mass to form a sun.
Way to miss the point. Did you not read my op? The show pointed this out. At the early stages of the solar system the sun simply gathered enough mass faster than Jupiter and Jupiter wasn't keeping up with the same pace as the future sun so it never got big enough or hot enough to ignite.