r

140

Astronomy.'

might and wouldDegrees from theto him.

f n

sometimes be seen ^Sun, viz. in OpP°* jtl

XI. Four

rT

as 1

Opposition to the Sun and nearest to the Ear*ih>Conjunction he is always direSt in Motion ; ar lthe Earth is in G or C-, the Planet must appearTime stationary , for the Reasons mentioned inThe (ame may be strewn of Jupiter and Saturn > st'the Earth has a much greater relative Veloci tj fitspect to Jupiter than it has with respect to M a ’ffi eTimes of the Conjunctions and Oppositions, as ^ fprogressive and regressive Motions, will-be morein Jupiter than in Mars, and for the fame Re 3 ' 0happen oftener in Saturn than in Jupiter. . ,jJJbV25. Again : Another Phænomenon, which 3 fit 1proves the Truth of the Copernican System, \ 5 s fi e .Venus and Mercury suffer an Occultation c

Sun’s Disk, when they are in the remotest *.

b^f

\t°

their Orbits, as at D and O ; but this can nev e r"'in the Ptolomean Hypothesis, because there the , t \the Sun is supposed exterior to the Orbits of mPlanets. _

26. All these Phænomena of the Planets plasmsthat the Earth holds that Place in the Heaven 5 ^ 0 st'the present Philosophy assigns her ; but to ^ ieV n^fl etS ’ (over that she has not only a Place among the V n fl e!

- ■ fame^V

but likewise that she is carried in the _with them about the Sun, we need only obf er ’ 0 fithe Times in which these Phænomena happ erl ePlanets are no ways such as they would bc j^ e fip'Earth at Rest, but such as they must neceffadv Jjstst

iO

posing the Earth’s Period about the Sun toDays. ,^'a

27. For Example: Suppose Venus at any -c^tP.Conjunction with the Sun at V, then were the gg 3 )Rest at T, that very Conjunction would hap? j 5 , 1when Venus had made just one Revolution, 1225 Days ; but every one knows this is c0 j‘ |ap.Experience, for a much longer Time than 1 j )C tV' ■

i