On Sun, Oct 18, 2020 at 17:22 <xxxxxx@gmail.com> wrote:
Yes, space between conjectured civilizations is bigger than the OTU by a lot. 

That said, that's only a scale problem. If you multiplied all separations to 10 parsecs, you'd have something more realistic. You'd just need to assume your jumps were 10x longer. 
well, that raises another issue: taking shorter jumps. That’s a lot of empty space to hide in. At standard densities, that’s roughly 160 star systems.
Personally, I think it’s easier to remember that Traveller is not modern science-fiction, where perceived scientific accuracy is desired, but old school science-adventure. Are these many aliens realistic? No. Is it more fun? I would say yes. The twist of Traveller isn’t found in being scientifically accurate, it’s in the realism of how the genre conventions are treated.

On Sun, Oct 18, 2020 at 7:46 PM Vareck Bostrom <xxxxxx@gmail.com> wrote:
mean minimum distance, that is

On Sun, Oct 18, 2020 at 4:41 PM Vareck Bostrom <xxxxxx@gmail.com> wrote:
If you use the minor race data from Travellermap, which I have drawn here as small blue circles: https://i.imgur.com/qm4MWrv.png

I would say that Traveller is far more than Generous. The mean distance between any two of those civilizations is 5.88 parsec, and the furthest any of them is from another minor civilization is 25.16 parsec. Some of them are so inconsequential that they are named nothing more than "minor":


On Wed, Sep 9, 2020 at 4:48 AM <xxxxxx@gmail.com> wrote:


The english in the article is not so good. The research appears to be in preprint stages and originates from the University of Nottingham.

Pessimistic view: 4 civilizations actively communicating.
Average view: 35 civilizations actively communicating.
Generous view: 211 civilizations actively communicating.
Mean Separation: 17K light years (out of our ability to detect).
The Generous view seems to lead to a seperation of a few hundred light years.
Assumptions obviously made, some changes made to the Drake Equation (or at least particular choices of inputs).

Hopefully this research will reach a printable stage and we can see the actual study/article.

If the Generous view is taken, and distances between communicating civilizations are a few hundred light years, that would mean 100+ Jump-1s (ObTrav). I'm not sure the difference between Vland and Terra or Vland and Zhodane, etc, but they might fall within a few hundred to a thousand light years separation.

The number of sophonts in the TU can't really be compared to these metrics simply because many may not have been communicating when contacted. There may be many more of those.

Of course, if you went with the average case, 35 communicating civilizations around the galaxy, 17K ly separation, that's over 4K Jump-1s between.

So the OTU, if these numbers have any validity (entirely questionable!), would need to fall under the Generous assumption.

TomB
PS - I look at these things as interesting and kinda fun, like gambling or astrology... I feel like the assumptions involved make the outcomes as valid as casting carved bones with runes on them to help make decisions.

--
“The only stable state is the one in which all men are equal before the law.” ― Aristotle

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