Re: Anom Accel of Pioneer 10 for v>(GM/r)^1/2

On Mon, 24 Nov 2003 00:03:07 +0000, Jonathan Silverlight
<[EMAIL PROTECTED]> wrote:

>In message <[EMAIL PROTECTED]>, Igor 
><[EMAIL PROTECTED]> writes
>>On Sun, 23 Nov 2003 18:01:41 -0500, "ralph sansbury"
>><[EMAIL PROTECTED]> wrote:
>>
>>>   The Anomalous Acceleration of Pioneer 10 toward the sun of
>>>about 10^-8cm/sec^2
>>>at various distances r from the sun can be associated with
>>> the fact that the velocity of the spacecraft is greater than the
>>>orbital velocity the
>>> spacecraft would have in a circular orbit at the same distance.
>>>   A rationale for this coincidence is given below.
>>
>>Apparently, the accepted explanation for the anomalous acceleration of
>>Pioneers 10 and 11 is that they're experiencing a larger gas and dust
>>density in the Kyper belt than was expected.
>>
>
>Interesting. Do you have a reference for that? I'd be surprised, because 
>the acceleration has been almost constant since about 15AU (inside the 
>orbit of Uranus) and if anything there is _less_ dust than expected in 
>the Kuiper belt..
>Personally, I think it's looking more and more likely that Ned Wright is 
>correct and they hadn't modelled thermal emission from the RTGs 
>correctly. I haven't seen any evidence of an anomaly on Cassini.

Check out this link:

http://www.newtonphysics.on.ca/Anomalous/Acceleration.html