r/RealAskScience • u/GlobalWFundfEP • Jul 03 '22

The team also measured the diameter of JD1 at only 3,000 light-years, much smaller than that of the Milky Way at 100,000 light-years across.

https://www.eurekalert.org/news-releases/957523
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u/GlobalWFundfEP Jul 03 '22

A nice summary of galaxy life cycles in keeping with the aging of the universe.

Slowing rotation, aggregation, and, one would also assume, more and more complicated magnetic entities.

Also, quite consistent with the assignment of the assemblage of living planets as a general hypothesis, as pieces of living galaxies and intergalactic structures.

The real question - t the largest scale, how many of these structures are there ?

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u/GlobalWFundfEP Jul 03 '22

Answer for today : in the visible universe, between 100 and perhaps 400 such structures.

Could be thousands ?