You say it's simple geometry but do you have any idea what is involved in measuring the parallax of a star? How many disagreements there have been in the individual measurements between arc seconds and smaller?


Please if you are commenting on this topic, please take the time to read this whole paper, it has many pages. At least skim over them.

[link to astronomyinformation.org] Page 1
[link to astronomyinformation.org] Page 2
[link to astronomyinformation.org] Page 3
[link to astronomyinformation.org] Page 4
[link to astronomyinformation.org] Page 5
[link to astronomyinformation.org] Page 6
[link to astronomyinformation.org] Page 7
[link to astronomyinformation.org] Page 8
[link to astronomyinformation.org] Page 9
[link to astronomyinformation.org] Page 10
[link to astronomyinformation.org] Page 11
[link to astronomyinformation.org] Page 12
[link to astronomyinformation.org] Page 13


[link to astronomyinformation.org] Page 3 in particular deals with measurements and the inconsistencies therein.

I'm trying to bring up the question of validity, not ask how it's done. I can obviously figure out how it's done, but whats the point if not everyone agrees?