Re: intrinsic advantage of Latin alphabet over bopomofo (for Chinese)??

On Mar 30, 10:32 am, Richard Herring <junk@[127.0.0.1]> wrote:
In message <1175255985.183271.106...@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
Peter T. Daniels <gramma...@xxxxxxxxxxx> writes>On Mar 30, 2:02 am, "Paul J Kriha" <paul.nospam.kr...@xxxxxxxxxxxxxxx>
wrote:

3000 years ago Crux was visible from London, not anymore though.

Did you leave out a zero? Mesopotamian astronomy and astrology would
look far more different from Greek and Indian astronomy and astrology
than it does if that were so!

A complete cycle of precession of the equinoxes takes around 26000
years, so as far as that's concerned 3000 and 29000 years ago are
equivalent. Of course, there are other factors changing the appearance
of the constellations over longer time spans.

Precession involves a fairly small circle around the celestial sphere,
so that Vega gets to be the pole star for a while. That doesn't seem
like nearly enough difference in altitude to make the Southern Cross
visible from almost 52 deg. N lat.

.

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