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In other words, A2 accounts for the finite distance of the star! That
is to say, the star wobbles with respect to the background galaxies
(can't say stars because they are too near!!!)

It is absolutely mind boggling to think that a handheld instrument
like a sextant could possibly be affected by the distance to the
stars.

It completely turns history on its head. I've always been led to
believe that astronomers looked at the stars as an end in itself - the
great scientists pushing back the frontiers of knowledge  - knowledge
for the sake of knowledge's sake!

In fact, it seems to me that knowledge of the stars and motion of the
planets was a necessary but fairly god-forsaken task mainly undertaken
as a part of the production of accurate navigation tables.

Engineers produced the equipment necessary to take the measurements,
engineers then took the measurements and then some self-publicist
scientist came along took what was already known by the engineers and
gave it a grand title of the grand theory of space, etc. and claimed
it was entirely his work!
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