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Originally Posted by Jerry
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Originally Posted by Andreas
I hope this won't be too embarrassing for you, but you totally missed the difference between wind and turbulence. Wind causes large scale lateral movement relative to the ground. Turbulence causes small scale movement and oscillations.
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Then let's use some different words:
The Pictures demonstrate that the probe fell nearly straight down, but was bouncing around and up and down. |
So, little wind and plenty of turbulence. That's what your quotes were saying. Do you now admit that you were wrong when you attempted to forcibly interpret contradictions into these quotes?
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The Doppler imaging team mapped a descent that was always in the same direction with very gradually decreasing winds, with almost no wind near the surface.
Maybe a picture will help:
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Sorry, the picture isn't very helpful since it's hard to make out what it tries to be saying. The Doppler reconstruction assumed north/south winds to be negligible because that is what was expected and they could only measure east/west motion by using Doppler measurements. They need interferometry results for north/south movement reconstruction, which I don't think has been completed.
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These are not the same, and this is why Allison had to change his conclusion - Emily reported that, not me. The conclusion was changed because there is a contradiction, not because there is not one.
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From what I read, he changed his conclusion based on his limited Doppler data due to additional data that is
not contradictory.
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In a Doppler reconstruction from the Earth, all they have to do is miss-judge the position of the probe on Titan relative to either the equator or the poles, and the rotation of the planet will cause the appearence of motion in the Doppler signiture, when there is none.
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And what about the measured variations they interpret as turbulence? Was Huygens tap dancing after landing?