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|Round the Moon||Jules Verne|
|Page 3 of 4||
"Then," asked Michel, "the moon must be older than the earth?"
"No!" said Barbicane decidedly, "but a world which has grown old quicker, and whose formation and deformation have been more rapid. Relatively, the organizing force of matter has been much more violent in the interior of the moon than in the interior of the terrestrial globe. The actual state of this cracked, twisted, and burst disc abundantly proves this. The moon and the earth were nothing but gaseous masses originally. These gases have passed into a liquid state under different influences, and the solid masses have been formed later. But most certainly our sphere was still gaseous or liquid, when the moon was solidified by cooling, and had become habitable."
"I believe it," said Nicholl.
"Then," continued Barbicane, "an atmosphere surrounded it, the waters contained within this gaseous envelope could not evaporate. Under the influence of air, water, light, solar heat, and central heat, vegetation took possession of the continents prepared to receive it, and certainly life showed itself about this period, for nature does not expend herself in vain; and a world so wonderfully formed for habitation must necessarily be inhabited."
"But," said Nicholl, "many phenomena inherent in our satellite might cramp the expansion of the animal and vegetable kingdom. For example, its days and nights of 354 hours?"
"At the terrestrial poles they last six months," said Michel.
"An argument of little value, since the poles are not inhabited."
"Let us observe, my friends," continued Barbicane, "that if in the actual state of the moon its long nights and long days created differences of temperature insupportable to organization, it was not so at the historical period of time. The atmosphere enveloped the disc with a fluid mantle; vapor deposited itself in the shape of clouds; this natural screen tempered the ardor of the solar rays, and retained the nocturnal radiation. Light, like heat, can diffuse itself in the air; hence an equality between the influences which no longer exists, now that atmosphere has almost entirely disappeared. And now I am going to astonish you."
"Astonish us?" said Michel Ardan.
"I firmly believe that at the period when the moon was inhabited, the nights and days did not last 354 hours!"
"And why?" asked Nicholl quickly.
"Because most probably then the rotary motion of the moon upon her axis was not equal to her revolution, an equality which presents each part of her disc during fifteen days to the action of the solar rays."
"Granted," replied Nicholl, "but why should not these two motions have been equal, as they are really so?"
"Because that equality has only been determined by terrestrial attraction. And who can say that this attraction was powerful enough to alter the motion of the moon at that period when the earth was still fluid?"
"Just so," replied Nicholl; "and who can say that the moon has always been a satellite of the earth?"
"And who can say," exclaimed Michel Ardan, "that the moon did not exist before the earth?"
Their imaginations carried them away into an indefinite field of hypothesis. Barbicane sought to restrain them.
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