Answer these, so that too great a pile does not accumulate, and then I will add others. They do so, but offer Nor do I know why Simplicio should not be quickly satisfied with the argument you put forward to prove that motion in a straight line can have no place in nature, so long as we suppose the parts of the universe to be disposed in the best arrangement and perfectly ordered. the Tuscan ambassador, but is forbidden to have social These are very ordinary propositions and far from any shade of temerity or boldness. Well, Simplicio need not yet fear any such collapse; I undertake to insure him against damage at a much smaller cost. And that men lived there too, and built palaces and cities, and traveled with such ease that without tiring themselves at all they could proceed to far countries with their families and households and whole cities. Here new reflections are adjoined which might be used in order to simplfy astronomy, though not because of any necessity imported by nature. It happened that several discussions had taken place casually at various times among these gentlemen, and had rather whetted than satisfied their thirst for learning. These discrepancies forced Galileo to assert that the postulate held only under "ideal conditions," i.e., in the absence of friction and/or air resistance. But you, Simplicio, what have you thought of to reply to the opposition of these importunate spots which have come to disturb the heavens, and worse still, the Peripatetic philosophy? Of these events, Aristotle and Ptolemy and all their followers say that it is the first which has always been observed and which will be forever maintained; that is, perpetual rest in the same place. SALV. For yours satisfies me without the least misgiving, while the other blocks me in some way at every turn. the universe
mountains of The certainty of a conclusion assists not a little in the discovery of its proof -- meaning always in the demonstrative sciences. and taken in I would fasten a string to the platform and, by hanging a plummet from it, would let it freely stretch till it reached very near to the pavement; the length of such a string being the straightest and shortest of all the lines that could possibly be drawn from the same point to the pavement, I should say that it was the true height in this case.
SALV. as hypothesis, not fact. current theories.". He writes to Kepler in Prague, "Like SIMP. We have already seen that a bleached silver plate changes from white to dark by the touch of the burnisher; the watery part of the earth looks darker than the dry; on the ridges of mountains the wooded parts look much gloomier than the open and barren places because the plants cast a great deal of shadow while the clearings are lighted by the sun. SAGR.
Dialogue Concerning the Two Chief World Systems was the book that got Galileo Galilei put on house arrest as a heretic over the idea of heliocentrism. College of Cardinals announces that "the printing and probability on his side, increasing the orb of the stars as fixed The book was dedicated to Galileo's patron, Ferdinando II de' Medici, Grand Duke of Tuscany, who received the first printed copy on February 22, 1632.In the Copernican system, the Earth and other planets orbit the Sun, while in the Ptolemaic system, everything in the Universe circles around the Earth. Is there perhaps someone who has seen one terrestrial globe decay and another regenerated in its place? SAGR. A very penetrating remark. Next, his not having made mention of the sunspots, which are conclusively proved to be produced and dissolved and to be situated next to the body of the sun and to revolve with it or in relation to it, gives me a good indication that this author may write more for the comforting of others than from his own convictions. Senate. But I question, Simplicio, whether your suspicion does not arise from your having taken my words equivocally. Though I fancy to myself that its regions are not idle and dead, still I do not assert that life and motion exist there, and much less that plants, animals, or other things similar to ours are generated there. SALV.
Such astuteness and prudence remind one of the wise young man who, in order to stop the importunity of his mother or his inquisitive wife -- I forget which -- who pressed him to impart the secrets of the Senate, made up some story which afterwards caused her and many other women to be the laughing-stock of that same Senate. Immediately download the Dialogue Concerning the Two Chief World Systems summary, chapter-by-chapter analysis, book notes, essays, quotes, character descriptions, lesson plans, and more - everything you need for studying or teaching Dialogue Concerning the Two Chief World Systems. I say this because they assign an upward motion to air and fire, which is a motion that never belongs to the said elements, but only to some of their particles -- and even then only to restore them to perfect arrangement when they are out of their natural places. Others believe them to be figments of the air; still others, illusions of the lenses; and still others, other things. Galileo writes a letter to Benedetto Castelli, a Thus, and more so, might it happen that in the moon, separated from us by so much greater an interval and made of materials perhaps much different from those on earth, substances exist and actions occur which are not merely remote from but completely beyond all our imaginings, lacking any resemblance to ours and therefore being entirely unthinkable. Thus we have defined the two dimensions of a surface; that is, length and breadth. These men indeed deserve not even that name, for they do not walk about; they are content to adore the shadows, philosophizing not with due circumspection but merely from having memorized a few ill-understood principles.
SIMP. exchange for a Does not Aristotle say that because of the great distance, celestial matters cannot be treated very definitely?
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