Re: Riemann geometry, chicken or the egg?

bootlace wrote:

On 26 Oct 2006 16:40:27 GMT, israel@xxxxxxxxxxx (Robert Israel) wrote:

Asteroids and meteors streaking across the heavens were noted by the
Greeks and Chinese .

That meant they were in the atomosphere and burning up. So observing them (in that state) would not have yielded conic sections. Besides they were moving too fast for getting position fixes.

Bob Kolker

.

Relevant Pages

  • Re: about Chinese imports
    ...   Upon ... power supplies kept burning out). ... supposedly saving a bundle by using the Chinese as manufacturers. ... Problem is that with cheap labor comes poor productivity, ...
    (sci.astro.amateur)
  • Re: about Chinese imports
    ... bad power supply shorting inside a brand new washer. ... power supplies kept burning out). ... supposedly saving a bundle by using the Chinese as manufacturers. ... Problem is that with cheap labor comes poor productivity, ...
    (sci.astro.amateur)
  • Re: about Chinese imports
    ... bad power supply shorting inside a brand new washer. ... power supplies kept burning out). ... supposedly saving a bundle by using the Chinese as manufacturers. ... Problem is that with cheap labor comes poor productivity, ...
    (sci.astro.amateur)
  • Re: Jewish NY owned camera stores....
    ... which used to be owned by Greeks have been bought by ... The Chinese seem to be more entrepeneurial than most. ... There are Fish and Chip shops in the US, ...
    (rec.photo.digital)
  • Re: australia-greece (r) what?!!
    ... chinese. ... i never knew that there were so many greeks there as well. ... hope i can manage to see the place before i die. ... sounds fascinating. ...
    (rec.sport.soccer)