Understanding the Moon's Position: Relativity and Uncertainty

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Discussion Overview

The discussion revolves around the position of the Moon as observed from Earth, incorporating concepts from special and general relativity alongside the Heisenberg uncertainty principle. Participants explore the implications of these theories on the Moon's position, measurement, and potential quantum effects.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • One participant questions how special and general relativity explain the Moon's position from Earth's reference frame, considering the Heisenberg uncertainty principle.
  • Another participant proposes that if Planck's constant were set to zero, the Moon would follow geometrodynamics, suggesting a continuous interaction rather than discrete quantum measurements.
  • Some participants argue that the Moon's motion is too slow for relativistic effects to be significant and that it appears where it is observed.
  • There is a light-hearted exchange about the Moon's visibility in relation to treetops, questioning whether this is a quantum or relativistic effect.
  • One participant notes that the Moon's position is affected by the time it takes for light to reach observers, while also suggesting that quantum effects are likely too small to influence its apparent position.
  • A later reply challenges the relevance of the Heisenberg uncertainty principle to the Moon's position and asserts that general and special relativity are developments that came long after Newton's work on lunar motion.

Areas of Agreement / Disagreement

Participants express differing views on the relevance of quantum effects and the applicability of relativity to the Moon's position, indicating that multiple competing perspectives remain without a clear consensus.

Contextual Notes

Some limitations include the dependence on interpretations of quantum mechanics and relativity, as well as unresolved questions regarding the implications of measurement and observation in this context.

Erdem
how special and the general relativity explains the position of moon from the Earth reference system taking also into account the Heisenberg uncertaintity problem.
when we look at the moon from the Earth what is the indeed position of it. what is the error.
 
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One might ask, what more can be proved to exist than the quantum object of one's immediate measurement?

If h were set to zero, though, the moon would be observed to obey ultimately geometrodynamics, of all our remaining theories. Measurement would then be a process of continuous action and reaction rather than a statistical correlation between discrete quanta.
 
The moon is moving much too slowly, relative to the earth, for any relativistic effects to be noticable. The moon is much to large for quantum effects to be noticable. The moon is exactly where it appears to be!
 
what, just over the treetops? :wink:
 
Hmmm, when I looked it was just below the treetops! Is this a quantum or relativistic effect?
 
I can't see the moon from the trees! (As a matter of fact, it's all dark.)
 
It is in a slightly diffrent position because the light takes time to reach us... but like they said the quantum effects would probably be to small to make the moon appear were it is not...
 
Your understanding of physics is quite off. First off, the Heisenberg uncertainty principle has absouloutly nothing to do with the moon. Secondly, GR and SR and about 100 years after Newton figured the rotation of the moon.
 

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