Dalla Terra alla Luna direct in novanta sette ore e venti minuti e un viaggio round it . t non hanno problemi di se stessi in merito a tali quisquilie-e che avevano qualcosa di altro da fare che occupare theirminds con il futuro. La verità è che essi non sono padroni del loro proiettile ;potevano né verificare il suo corso, né alterare la sua direzione. Un marinaio può cambiare la testa della sua nave a suo piacimento; anaeronaut può dare un movimento verticale per il suo palloncino. Essi, su thecontrary, non aveva alcun potere su di loro veicolo. Ogni mancBuvi*e wasforl)idden. Quindi l'inclinazione per lasciare che le cose da soli, o

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From the Earth to the Moon direct in ninety-seven hours and twenty minutes, and a trip round it . t they did not trouble themselves about such trifles—and that they had something else to do than to occupy theirminds with the future. The truth was that they were not masters of their projectile ;they could neither check its course, nor alter its direction. A sailor can change the head of his ship as he pleases; anaeronaut can give a vertical motion to his balloon. They, on thecontrary, had no power over their vehicle. Every mancBuvi*e wasforl)idden. Hence the inclination to let things alone, or as theKiilors t^ay, let her run. Where did they find themselves at this moment, at eight oclockin the morning of the day called upon the earth the 6th of De-cember ? Very certainly in the neighbourhood of the moon, andeven near enough for her to look to them like an enormous blackscreen upou the firmament. As to the distance which separatedthem, it was impossible to estimate it. The projectile, held byporae unaccountable force, had been within four miles of grazingthe satellites north pole.. A DISCUSSION AROSE. [p. 261.1 HYPERBOLA OR PARABOLA. 261 But since entering the cone of shadow these last two hours, hadthe distance increased or diminished ? Every point of mark waswanting by which to estimate both the direction and the speed ofthe projectile. Perhaps it was rapidly leaving the disc, so that it would soonquit the pure shadow. Perhaps, again, on the other hand, itmight be nearing it so much that in a short time it might strikesome high point on the invisible hemisphere, which would doubt-lessly have ended the journey much to the detriment of thetravellers. A discussion arose on this siibject, and Michel Ardan, alwaysready with an explanation, gave it as his opinion that the pro-jectile, held by the lunar attraction, would end by falling on thesurface of the terrestrial globe like an aerolite. First of all, my friend, answered Barbicane, every aerolitedoes not fall to the

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1870
• bookpublishernewyo
• bookyear1874