From: richalivingston@gmail.com   
      
   On Sunday, August 20, 2023 at 11:38:42=E2=80=AFPM UTC-5, stargene wrote:   
   > ...   
   >   
   > A naive suggestion: Would a somewhat larger value in big G   
   > in very early times help explain this unexpected efficiency?   
   >   
   > ...   
      
   I'm not an astrophysicist, but it seems to me that there are enough   
   other things having to do with  how galaxies and stars form that   
   are unknown or at least fuzzy that questioning big G should probably   
   be low on the list.  For one thing, there is no known understanding   
   for where big G comes from, and it certainly appears to be stable   
   over recent times (a few billion years).  There is much unknown   
   about how early stars (with no "metal") form and radiate,   
   compared to modern stars with "metal".  I also wonder about the   
   roll of super massive black holes.  It is not clearly understood how   
   they form so early, nor become so massive.  There is a lot to   
   ponder there that involves physics that we might figure out.   
      
   Rich L.   
      
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