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Chapter 4, page 1.
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| 4.1 |
4.1 Action by the Moon and by the Sun.
4.2 Modality of action: attraction.
4.3 The ocean tides observed from the space.
4.4 Values of attraction.
4.5 The direction of the tide waves.
4.6 The continents and the flowing of the tide waves.
4.7 Number of the tide waves.
4.8 Tide waves and sublunar points.
4.9 The physical equation for the ocean tides.
4.10 When Earth, Moon and Sun are aligned.
4.11 Tide cadences.
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Causa latet, vis est notissima . . .
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Ovid, Metamorphoses
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While the effect is known, the cause remains hidden.
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#01 - Action of the Moon and the Sun.
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| .1 |
From their time tables, we rightly infer that the ocean tides are due to the action of the Moon and the Sun, and that the former plays the larger role (Sun 1; Moon on average 2,19).
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#02 - Modality of action: attraction.
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| .2 |
This action is attributed to the attraction exerted on the water of the oceans.
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| .3 |
Though, the way of explaining many details of this phenomenon put aside several points, which remain unexplained.
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See three examples, briefly mentioned.
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| .4 |
Sometimes, instead of tackling a difficult problem, one prefers to forgo to account for important features of the ocean tides, making an appeal to our indulgence, given the objective complexity of the matter.
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A check-up in the form of comparison.
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| .5 |
This is the time to subject the current way of explaining the phenomenon of the ocean tides to a sort of check-up, considering several points, and arguments.
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| .6 |
In this chapter, I proceed by comparing the current way of explaining the phenomenon of the ocean tides, with an alternative one, to see things from two points of view, at the same time, in a sort of half dialogue, half confrontation.
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| .7 |
The issues considered here will not complete the necessary controls. Far from that.
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See the list of issues.
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Alternative approach.
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| .8 |
The alternative approach starts from one remark: that many aspects on the ocean tides, hard to explain, become clear, once you attribute the cause to a change in the density, and volume of the water.
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| .9 |
How compatible this could be with the attraction, it remains to be seen.
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| .10 |
For the time being, let us put aside the important point of how that could occur, until more facts are presented in chapter 5.
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The colour code used in the comparison.
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| .11 |
From this point, up to the end of this chapter, the paragraphs, whose borders have the same colour as the central column, contain either propositions used in both approaches, or a neutral, non partisan text (at least, I hope).
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| .12 |
The paragraphs whose borders are <sky blu> coloured contain assertions either made by proponents of the current way of explaining the ocean tides (in texts verbatim), or which reflect their general position on the matter.
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| .13 |
On the contrary, the colour code <sea green> is reserved to the alternative approach.
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