Full text: de Sacrobosco, Johannes: Sphaera Ioannis de Sacro Bosco emendata

DE SACRO BOSCO, CAP. 1.


contra cœli vltimi motum, & in diuerſis ſpa-

tiis temporum ipſum metitur, vt Saturn{us} in
triginta annis: Iuppiter in duodecim: Mars in
duob{us}: Sol in trecentis ſexaginta quinque die-
b{us} & ſex horis ferè: Ven{us} & Mercuri{us} ſi-

militer ferè cum Sole: Luna verò in viginti ſe-

ptem dieb{us} octo horis.

14. COELVM MOVERI CIR-
culariter, & eſſe figuræ ſphæricæ.

QVòd autem cœlum euoluatur ab oriente oriẽte in

occidentem, ſignum est. Stellæ quæ o-
riuntur in oriente, ſemper eleuantur eleuãtur paulatim &

ſucceßiuè, quouſque quouſq; in medium cœli veniant: &

ſunt ſemper in eadem propinquitate & remo-
tione adinuicem: & ita ſemper ſe habentes, ten-

dunt in occaſum continuè, & vniformiter.

Est & aliud ſignum. Stellæ quæ ſunt iuxta

polum arcticum, quæ nunquam nobis occidunt,
mouentur continuè cõtinuè & vniformiter circa polum

deſcribendo circulos ſuos, & ſemper ſunt in æ-
quali distantia adinuicem & propinquitate.
Vnde per iſtos duos mot{us} continuos ſtellarum

tam tendentium ad occaſum, quàm non, patet,
quòd firmamentum mouetur ab oriente in oc-
cidentem.

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