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# Title: Nicolai Mercatoris Holsati, è Soc. Reg. Institutionum Astronomicarum Libri Duo, De Motu Astrorum Communi & Proprio, Secundum Hypotheses Veterum & Recentiorum præcipuas; Deqve Hypotheseon ex observatis constructione (shelfmark Leibn. Marg. 63)
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C
Sect. 2.
ASTRONOMTA
prehensibile est; quis enim cerminum ponac univerto, cujus
nullum usquam cerminum percepit? Unde Solem cencrum
lacimus, non respectu universi, quod immensum eAt (Caltem
nobis) ideoque nec medium nec extremum habet, sed ra-
tione nostrae Telluris, _ cxrerorum Planetarum, qui circa
ilum (Solem) tanquam cenrrum sive medium quoddam pun-
ccum in orbem circumaguneur. Idemque Sol centrum dici
Pores sphaeratixarum, non ideo quidem, quali laeC super-
sicie quadam, sive crustâ disterminetur a vacuo excramun-
bano; sed quoriam imaginatio nostra a loco in quo sumus
undique aegualirer extensa ipsam immensicarem non poris
allequi, incra sphaeram quandam coercetur. Vel (1. quis
malic Ephaeram istam mundanam exrendere, quousque oculus
optimis perspicillis armatus penerrare valet, nihil proinde
mmenticari universi decederet. Ouod si, aurem immensa
elt sphaera fixarum, erir ec propier hoc iplum immobilis.
imo si maxime Cacuas vacuum quoddum excramundanum,
non porest camen ullius hominis imaginacio concipere, quo
Pacto exrrema superfcies mundi deserar aliud ex alio sparium,
iltius vacui, ubi ne sionum quidem allum datur, respectu
cujus icta digrestio percipiatur. Quod l igitur exrerior
superficies mundi non murat sicum respectu vacui exrra polici
liquidem ejusmodi quid ne tinsendo quidem percipere da-
CUE) murec vero tancum sicum respectu intus conrentorum
Corporum; quid rectat,, quin puremus iplam quidem splx-
ram sixarum esse immobilem, ac inclusam Tellurem respectu
uldem licum murare, id est, revera converti circa axem
luum. leaque jam Sphaeratixarum, sive immensa (E, Cve
gnica, cerre immobilis est, e superticiei sphiaeriex instar
habet, cujus centrum occupat Sol, nunquam inde dimoven.
dus, licer circa axem suum volvi deprehendatur ex maculis
alimbo uno dilci sui in advertum promoris detinito temporis
Pario. Ouemadmodum gurem. immensa Axarum sphXrA,
 se considerata, centro sive medio Caret; aE Propter mO-
um Planerarum nanciscitur cenerum aliquod, quod solem
e porius, gliam Terram diximus: ita guiOque PrOPTEE
cunidem