Foscarini, Paolo Antonio, An epistle to fantoni, 1661
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              by reaſon of their proclivity make towards their Centre are
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              Grave, and thoſe that incline to the Circumference Light. </s>
              <s>And
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              ſo in the Sun, Moon, and Starrs, there are parts as well Grave as
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              Light. </s>
              <s>And conſequently Heaven it ſelf that ſo Noble Body,
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              and of a fifth Eſſence, ſhall not be conſtituted of a Matter diffe­
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              rent from that of the Elements, being free from all Mutation in
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              it's Subſtance, Quantity, and Quality: Nor ſo admirable and
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              excellent as
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              Ariſtotle
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              would make us to believe; nor yet a ſolid
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              Body, and impermeable; and much leſſe (as the generality of
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              men verily believe) of an impenetrable and moſt obdurate Den­
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              ſity: but in it (as this Opinion will have it) Comets may be ge­
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              nerated; and the Sun it ſelf, as tis probable, exhaling or attract­
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              ing ſundry vapours to the ſurface of its Body, may perhaps pro­
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              duce thoſe Spots which were obſerved to be ſo various, and irre­
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              gular in its
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              Diſcus
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              : of which
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              Galilæus
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              in a perticular ^{*} Treatiſe
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              hath moſt excellently and moſt accurately ſpoken; inſomuch,
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              that though it were not beſides my preſent purpoſe, yet it is con­
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              venient that I forbear to ſpeak any thing touching thoſe matters,
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              leaſt I ſhould ſeem to do that which he hath done before me: But
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              now if there be found in the Sacred Scriptures any Authority
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              contrary to theſe things, it may be ſalved by the foreſaid Argu­
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              ments Analogically applyed. </s>
              <s>And further more it may be ſaid,
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              that that Solidity is to be ſo underſtood,
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              as that it admits of no
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              vacuum, cleft, or penetration from whence the leaſt vacuity might
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              proceed
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              For the truth is, as that cannot be admitted in bodily
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              Creatures, ſo it is likewiſe repugnant to Heaven it ſelf, being
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              indeed a Body of its own Nature the moſt Rare of all o­
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              thers, and tenuoſe beyond all Humane Conception, and happly
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              hath the ſame proportion to the Aire, as the Aire to the
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              Water.</s>
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            <p type="margin">
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              Gravity and Le­
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              vity of Bodies,
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              what it is.
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              All Cœleſtial Bo­
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              dies have Gravity
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              and Levety.
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              Compreſſive Ma­
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              tion, proper to
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              Gravity; the Ex­
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              tenſive, to Levity.
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              </s>
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              Heaven is not
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              compoſed of a fift
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              Eſſence differing
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              from the matter of
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              inferior Bodies.
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              </s>
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              Nor yet a Solid
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              or denſe Body but
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              Rare.
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              * Delle Macchie
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              ſolarj.</s>
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              *
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              Vnius Corporis
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              fimplicis, unus eſt
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              motus ſimplex, et
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              huic duæ ſpecies,
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              Rectus & Circu­
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              laris: Rectus du­
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              plex à medio, &
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              ad medium; pri­
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              mus levium, ut A­
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              eris & Ignis: ſe­
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              cundus gravium,
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              ut Aquæ & Ter­
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              ræ: Circularis,
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              quieſt circa medi­
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              um competit Cœlo,
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              quod neque eſt
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              grave, neque leve.
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              Ariſt.
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              de Cœlo.
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              Lib. 1.</s>
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              <s>It is clear alſo from theſe Principles how falſe theſe words of
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              Ariſtotle
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              are, that:
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              Of one ſimple Body, there is one ſimple Motion
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              ;
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              and this is of two kindes, Right and Circular: the Right is two­
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              fold, from the medium, and to the medium; the firſt of Light Bo­
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              dyes, as the Aire and Fire: the ſecond of Grave Bodyes, as the
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              Water and Earth: the Circular, which is about the medium, be­
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              longeth to Heaven, which is neither Grave nor Light
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              : For all this
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              Philoſophy is now forſaken, and of it ſelf grown into diſ-eſteem;
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              for though it be received for an unqueſtionable truth in this new
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              Opinion, that to a ſimple body appertains one only ſimple Moti­
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              on, yet it granteth no Motion but what is Circular, by which alone
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              aſimple body is conſerved in its naturall Place, and ſubſiſts in its
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              Unity, and is properly ſaid to move
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              in loco
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              [
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              in a place
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              :] whereby
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              it comes to paſs that a Body for this reaſon doth continue to move
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              in it ſelf, [
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              or about its own axis
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              ;] and although it have a Motion, </s>
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