Blancanus, Josephus, Sphaera mvndi, sev cosmographia demonstratiua , ac facile methodo tradita : in qua totius Mundi fabrica, vna cum nouis, Tychonis, Kepleri, Galilaei, aliorumq' ; Astronomorum adinuentis continentur ; Accessere I. Breuis introductio ad geographiam. II. Apparatus ad mathematicarum studium. III. Echometria, idest Geometrica tractatio de Echo. IV. Nouum instrumentum ad Horologia

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        <div xml:id="echoid-div296" type="section" level="1" n="205">
          <p>
            <s xml:id="echoid-s13225" xml:space="preserve">
              <pb o="144" file="0166" n="171" rhead="De Mundi Fabrica,"/>
            du exiſtent, cuius nota eſt hæc ☍. </s>
            <s xml:id="echoid-s13226" xml:space="preserve">hi autem duo aſpectus communi nomine dicuntur Sygyziæ, ideſt, coniu-
              <lb/>
            gationes. </s>
            <s xml:id="echoid-s13227" xml:space="preserve">Sextilem aſpectum habent, quando diſtant ab vno eorum per ſextantem, ideſt, ſextam circuli par-
              <lb/>
            tem, ſeu per gr. </s>
            <s xml:id="echoid-s13228" xml:space="preserve">60. </s>
            <s xml:id="echoid-s13229" xml:space="preserve">eius ſignum eſt hoc *.</s>
            <s xml:id="echoid-s13230" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13231" xml:space="preserve">Quadrato aſ
              <unsure/>
            pectu ad alios referuntur, cum ab eorum quopiam per quadrantem, ideſt, quartam circuli par-
              <lb/>
            tem, ſeu gr. </s>
            <s xml:id="echoid-s13232" xml:space="preserve">60. </s>
            <s xml:id="echoid-s13233" xml:space="preserve">diſtant, cuius nota eſt ♊.</s>
            <s xml:id="echoid-s13234" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13235" xml:space="preserve">Trino aſpectu aliquem planetarum intuentur, cum ab eo per trientem, ſeu tertiam partem, ſeu gr. </s>
            <s xml:id="echoid-s13236" xml:space="preserve">120. </s>
            <s xml:id="echoid-s13237" xml:space="preserve">re-
              <lb/>
            cedunt, eius nota eſt Δ.</s>
            <s xml:id="echoid-s13238" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13239" xml:space="preserve">Hæ ſunt præ ipuè habitudines quas Aſtrologi, ideſt, iudiciarij conſiderant, reliquas vero intermedias,
              <lb/>
            tanquam minus validas miſſas faciunt. </s>
            <s xml:id="echoid-s13240" xml:space="preserve">Mouetur adhuc Mars motu latitudinis, ſeu in latitudinem, ideſt,
              <lb/>
            modo ad vnam eclypticæ partem, modo ad alteram exorbitat, vnde reſpectu eclipticæ fit modo Auſtralis,
              <lb/>
            modo Borealis: </s>
            <s xml:id="echoid-s13241" xml:space="preserve">maximaque eius latitudo ad ſex graduum excreſcit, quare tunc extremam Zodiaci margi-
              <lb/>
            nem radit.</s>
            <s xml:id="echoid-s13242" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13243" xml:space="preserve">Poſtremo dum prædictis motibus agitatur, etiam diurna conuerſione in occidentem rapitur, quo mo-
              <lb/>
            tu apogæum eccentrici E. </s>
            <s xml:id="echoid-s13244" xml:space="preserve">ſpatio horarum 24. </s>
            <s xml:id="echoid-s13245" xml:space="preserve">per totum mundi gyrum ab oriente in occidentem reuolui-
              <lb/>
            tur: </s>
            <s xml:id="echoid-s13246" xml:space="preserve">vnde hic quoque vt in alijs vltimus ac finalis planetæ motus exurgit, qui ſpiralis eſt, quo videlicet a tro-
              <lb/>
            pico ad tropicum ſpiratim remeat. </s>
            <s xml:id="echoid-s13247" xml:space="preserve">Quod ſi motus diurnus in eo ceſſaret, mouereturque tantum ſecun-
              <lb/>
            dum longitudinem, fimulque in epicyclo motu anomaliæ reuolueretur, deſcriberet ex ſententiam Keple-
              <lb/>
            ri intricatam illam ac perplexam figuram, quam ipſe Keplerus initio operis de Marte depingit, vti eſt ſe-
              <lb/>
            quens.</s>
            <s xml:id="echoid-s13248" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13249" xml:space="preserve">In qua A, eſt centrum mundi, circellus autem B, includit ſphæras Solis, Lunæ, & </s>
            <s xml:id="echoid-s13250" xml:space="preserve">elementorum. </s>
            <s xml:id="echoid-s13251" xml:space="preserve">Mars
              <unsure/>
              <lb/>
              <figure xlink:label="fig-0166-01" xlink:href="fig-0166-01a" number="99">
                <image file="0166-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0166-01"/>
              </figure>
            igitur initium fecit in C. </s>
            <s xml:id="echoid-s13252" xml:space="preserve">perrexis
              <unsure/>
              <lb/>
            in D. </s>
            <s xml:id="echoid-s13253" xml:space="preserve">perigæum epicycli verſus
              <lb/>
            terram; </s>
            <s xml:id="echoid-s13254" xml:space="preserve">poſtea retrogradus fa-
              <lb/>
            ctus per epicyclum reflexit iter
              <lb/>
            per E F. </s>
            <s xml:id="echoid-s13255" xml:space="preserve">quouſque peruenit in
              <lb/>
            G. </s>
            <s xml:id="echoid-s13256" xml:space="preserve">apogæum epicycli, vnde ite-
              <lb/>
            rum ad terras deſcendens alias
              <lb/>
            ſpiras agglomerauit, deſiijtque
              <lb/>
            in H. </s>
            <s xml:id="echoid-s13257" xml:space="preserve">ſunt autem 8. </s>
            <s xml:id="echoid-s13258" xml:space="preserve">recurſus in
              <lb/>
            16. </s>
            <s xml:id="echoid-s13259" xml:space="preserve">iuxta proportionem motus
              <lb/>
            So is ad motum Martis, quæ ferè
              <lb/>
            dupla eſt. </s>
            <s xml:id="echoid-s13260" xml:space="preserve">reliquum autem Mar-
              <lb/>
            tis progreſſum deſcribere, ob li-
              <lb/>
            nearum confuſionem, non ex-
              <lb/>
            pedit. </s>
            <s xml:id="echoid-s13261" xml:space="preserve">porrò dum hanc figuram
              <lb/>
            in ſuo circulo deducit, interim
              <lb/>
            motu diurno pariter ſpirali, vti
              <lb/>
            diximus, rapitur.</s>
            <s xml:id="echoid-s13262" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13263" xml:space="preserve">Sed dubitabit quis, qua ratio-
              <lb/>
            ne poſſit Mars eſſe retrogradus,
              <lb/>
            cum enim tardius ipſe moueatur
              <lb/>
            in peripher a epicycli, quam ip-
              <lb/>
            ſe epicycli in peripheria eccen-
              <lb/>
            trici, ſeu in longitudinem, ſe-
              <lb/>
            quitur plus ſemper epicyclum
              <lb/>
            in Zodiaco progredi, quam pla-
              <lb/>
            neta in epicyclo, & </s>
            <s xml:id="echoid-s13264" xml:space="preserve">conſequen-
              <lb/>
            ter etiam quando erit in parte
              <lb/>
            epicycli inferiori, in qua aduer-
              <lb/>
            ſo illi motu fertur, ſegnius in eo
              <lb/>
            retrocedat, quam progrediatur
              <lb/>
            in eccentrico, ideſt, motus ano-
              <lb/>
            maliæ nunquam ſuperabit motum in longitudinem, quare ſemper in Zodiaco progredietur. </s>
            <s xml:id="echoid-s13265" xml:space="preserve">Huic ſubti-
              <lb/>
            liſſimæ quæſtioni ſic reſpondendum eſt: </s>
            <s xml:id="echoid-s13266" xml:space="preserve">ob amplitudinem epicycli accidere poſſe, vt gradus qui ſunt iux-
              <lb/>
            ta eius perigæum, eo quod ſint nobis propiores multo quam gradus eccentrici, maiorem arcum ſubten-
              <lb/>
            dant in Zodiaco, quam ſudtendant gradus eccentrici, quos centrum epicycli percurrit; </s>
            <s xml:id="echoid-s13267" xml:space="preserve">quare quamuis
              <lb/>
            planeta in perigæo epicycli tardius in epicyclo moueatur, quam centrum epicycli in conſequentia, ob vi-
              <lb/>
            cinitatem tamen ad terram, poterit motus eius in perigæo velocior videri, quam motus centri epicycli
              <lb/>
            in conſequentia, hacque ratione repedare videbit
              <unsure/>
            ur. </s>
            <s xml:id="echoid-s13268" xml:space="preserve">quod experientia confirmatur, videmus enim ea
              <lb/>
            quæ mouentur in aere, quamuis ſegnius multo ferantur, quam Sol, eum tamen longo ſpatio ſuperare,
              <lb/>
            quod illis accidit ob propinquitatem ad oculum noſtrum: </s>
            <s xml:id="echoid-s13269" xml:space="preserve">ſic Sol tardus videtur ob maximam diſtantiam,
              <lb/>
            quamuis velociſſimè circumferatur.</s>
            <s xml:id="echoid-s13270" xml:space="preserve"/>
          </p>
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