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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)
# Folio 116, page id 820424455:0138
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ASTRONOMTA.
Lib.
Deta. SuperiOrES CONETA, MarS, Tupiter, SaturnUS, n
cerram ambirene, in oppolicionem Solis non venirent. Sec
e Solem circumeunt; erenim sub illo ( incederent, perpetul
corniculari sub conjunctionem apparerent, ut Luna. Liquet
etiam, Tellurem, licet orbicis Superiorum, Marris, TOriS
Sacurni includatur, non occuPare tamen carum cemruI
siquidem Mars in opposirione quincuplo proxior est Telluri
quam in conjunctione; ideoque quincuplo major appare
illic quam hic. Enimvero diameter apparens PlanCF Pet
relescoxium obserrara eadem rarione minuirur, qua distant
ejus a Lerra ausetur. Toris aurem diamerer non-niss dimidi
cui parre augerur à conjunctione ad oppolirionem; unde
Cimiliter infertur, esse quidem rellurem exrra cenrrum orbita
Tovis Doliram, at non eadem ad rotart peripheriam propos
cione, qua abest a cenrro orbita Marris. PC cum phaeno
mena insinvene. Solem non procul à centro orbira cujusque
Planetae primarii consictere, adED UE COMMUNE CenEruM OP
birarum suarum (Solem scilicet) à Tellure Xque remotm
habeane: liquer porro, cum Planeram, ad cujus orbirat
communis illa ceneri emorio minorem rarionem obtiner, ma
jori circuitu ambire Solem, adeoque orbitam Foris circun
dare orbitam Marris, eandemque ob similerm rarionem con
tineri incra orbitam Saturni. Postremo Lunam ambise
Terram manilectum est ex eo, quod non modo Soli con
juncta, sed se eidem oppolira esse pottir; at proximé an
bire inde constar, quod nullus Planera tantam Parallax
patiatur, quancam ipta, unde Telluri proxima sic Oportet.
2. Ex memoraris isirur hactenus phaenomenis non dittr
cile erir deinceps verum sy Aema mundanum tabricare. P0.
namus enim Figura ZLIX. Terram in X, quam proxime am
biac circellus orbitam Lunxe relerens. Sumatur inde inter.
vallum à Tellure X ulque ad A ultra orbitam LunX, sitque
Xa proxima distantia Veneris à Tellure; indeque ab a porrc
ad btiac a b quintuplum iplius X a, ita ue x b distancia Veneri
2 Tellure maxima, ad x a dictanciam minimam (IF uF 6 2d 1.
Diridatur a b bitariam in c, quod erir Sol ipsc, ve ninirus
VenU