Salusbury, Thomas, Mathematical collections and translations (Tome I), 1667
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              to all the Stars, as is this diurnal one: yet I believe that in few
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              dayes they perceived that the Moon was inconſtant in keeping
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              company with the other Stars; but yet withal, that many years
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              paſt, before that they diſtinguiſhed all the Planets: And in
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              ticular, I conceit that
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              Saturn
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              by its ſlowneſs, and
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              Mercury
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              by
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              ſon of its ſeldom appearing, were the laſt that were obſerved to
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              be wandring and errant. </s>
              <s>It is to be thought that many more
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              years run out before the ſtations and retrogradations of the three
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              ſuperiour Planets were known, as alſo their approximations and
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              receſſions from the Earth, neceſſary occaſions of introducing the
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              Eccentrix and Epicicles, things unknown even to
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              Ariſtotle,
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              for
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              that he makes no mention thereof.
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              Mercury,
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              and
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              Venus,
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              with
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              their admirable apparitions; how long did they keep
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              mers in ſuſpence, before that they could reſolve (not to ſpeak of
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              any other of their qualities) upon their ſituation? </s>
              <s>Inſomuch
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              that the very order onely of the Mundane bodies, and the
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              gral ſtructure of the parts of the Univerſe by us known, hath been
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              doubted of untill the time of
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              Copernicus,
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              who hath at laſt given
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              us notice of the true conſtitution, and real ſyſteme, according to
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              which thoſe parts are diſpoſed; ſo that at length we are certain
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              that
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              Mercury, Venus,
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              and the other Planets do revolve about
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              the Sun; and that the Moon revolveth about the Earth. </s>
              <s>But
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              how each Planet governeth it ſelf in its particular revolution, and
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              how preciſely the ſtructure of its Orb is framed; which is that
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              which is vulgarly called the
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              Theory
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              of the
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              Planets,
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              we cannot as
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              yet undoubtedly reſolve.
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              Mars,
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              that hath ſo much puzled our
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              Modern Aſtronomers, is a proof of this: And to the Moon her
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              ſelf there have been aſſigned ſeveral Theories, after that the ſaid
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              Copernicus
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              had much altered it from that of
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              Ptolomy.
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              And to
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              deſcend to our particular caſe, that is to ſay, to the apparent
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              tion of the Sun and Moon; touching the former, there hath been
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              obſerved a certain great irregularity, whereby it paſſeth the two
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              ſemicircles of the Ecliptick, divided by the points of the
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              noxes in very different times; in paſſing one of which, it
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              eth about nine dayes more than in paſſing the other; a difference,
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              as you ſee, very great and notable. </s>
              <s>But if in paſſing ſmall arches,
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              ſuch for example as are the twelve Signs, he maintain a moſt
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              gular motion, or elſe proceed with paces, one while a little more
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              ſwift, and another more ſlow, as it is neceſſary that it do, in caſe
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              the annual motion belong to the Sun onely in appearance, but
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              in reality to the Earth in company with the Moon, it is what hath
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              not hitherto been obſerved, nor it may be, ſought. </s>
              <s>Touching
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              the Moon in the next place, whoſe reſtitutions have been
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              cipally lookt into an account of the Eclipſes, for which it is
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              ficient to have an exact knowledge of its motion about the Earth, </s>
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