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Insert d, page 5
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| d.5 | d.1 Another modality of action of the matter. d.2 Useful values of the angular movement. d.3 Other features of the action d. d.4 Action d and thermodynamic balances. d.5 Effects of the action d on the Earth. |
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| Effects of the action d on the Earth. |
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| .1 | In the solar system, complexity seems to be increasing on the Earth, but not on the other planets. |
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| .2 | Essentially, that was the non verbatim consideration expressed by Monica Grady, some years ago, during a broadcast of BBC radio 4, led by the moderator Melvyn Brag, in the the series In our time, whose topic was then the 2nd Law of thermodynamics. |
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| .3 | The first part of the remark was promptly explained as usual: the low level entropy, attained on our planet, is at the expense of the Sun. |
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| .4 | As for the difference with the other planets, that was completely passed over. |
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| A possible reason. |
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| .5 | Now, an answer could be given, also to the second part of the observation, of the first paragraph of this page. |
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| .6 | The complexity here on the Earth would be due to the type 2 dissipative reactions, which, thanks to the Moon, are taking place only on our planet, in extremely large number. |
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| Commonplace here on Earth. | ||
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| The Earth, seen from the Moon (courtesy by NASA). |
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| .7 | The type 2 dissipative reactions are commonplace on our planet, making it possible for our Earth to be a place suitable for life, a fact which, at least as far as we are concerned, is unique, and, in practice, will remain unique. |
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| .8 | The type 2 dissipative reactions would contribute to keep the Earth at a very low entropy level. |
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| The Earth with no Moon. |
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| .9 | It would be otherwise if we had not one moon, so large, so close. |
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| On the question of the exo-planets. |
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| .10 | Once accepted the theory of the action d, one can reasonably infer that, in order that an exo-planet be apt to have and maintain living beings, it should have what is commonly called a satellite, of adequate mass, whose movements are to keep in check the entropy of the various systems in that planet. It would be a conditio sine qua non. |
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| .11 | Indeed, I would prefer to call such celestial body, not a satellite, but a co-planet, since its presence is essential for that hypothetical exo-planet to sustain life. |
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| See also insert L: the Moon, satellite or co-planet? | ||