Re: precession of mercury

On Mon, 22 Dec 2008 09:34:25 -0800 (PST), "Strich.9" <strich.9992@xxxxxxxxx>
wrote:

On Dec 22, 5:01 am, Jerry <Cephalobus_alie...@xxxxxxxxxxx> wrote:
On Dec 22, 3:35 am, Jerry <Cephalobus_alie...@xxxxxxxxxxx> wrote:

Now why would you want to rotate it once every 90 minutes?
If it is NOT rotated the field of view retains its orientation whilst moving in
a very small circle.

Because if you rotate it once per year, you will done NOTHING
to, ahem, "compensate for" the diurnal aberration...

CORRECTION:
Because if you rotate it once per year, you will done NOTHING
to, ahem, "compensate for" the 90-minute period aberration
due to its orbit around the Earth.

Your "very small circle" has a 5 arcsec radius, which is huge.

Jerry

You miss the whole point. Aberration results from the ballistic
nature of light. end of story

It does....but the claims of Andersen and Jerry are wrong. The methods used in
Hipparcos eliminate aerration and are not sensitive to light speed .



Henri Wilson. ASTC,BSc,DSc(T)

www.users.bigpond.com/hewn/index.htm.

......
.

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