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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0455
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tiis Equinoctial Pares, and makes his Meridians
much Llliprical, (0 25 ro be discernable by ine Tc.
descope.
The SunsHeac in Fupirer, is ac most noc abore
one tvenes htch pare oF Wrhac ic is wich us; and
consequenly vould bererr uncomtorrable lirin
chere (iF ac all Portible) for _sen ot our Consticuri
on: And ver some are very Cond of chinkins fupi
ter an excellentplale tolire in.
The Distance ot Fupiter rom the Sun, is abor
sive rimes a5 greac a5 thar of the Farch From chc
Sun, sec GrezoryS Astron. and consequenely che Dia
meter oF che Sun co any Pyc in Fupiter, will bC
noc a fitch part oE wrhac ic appears ro us, and chere.
fore his Disse will BC abore 25 rimes lels, and in
che Pame Proporrion ill his Listr and Lleat
Be
The Artificial Dar and Nighe (each OF S FTOurs,
is oF che lame lenech in Fupiter, all over his Sur-
tace; because the Axis ot his Diurnal Rerolurion
is nearty at Righr Angles to che Plane oF his Annual
Orbic Found etic Sun
Alctio Fupicer hach a Primary Planers below him
vet an Fye placed chere, and oF no Marper Sigh
than one oF ours, could never behold any oneo
ehem, untels 25 Spors transirins over the Suns Dist
Wwhen They happeni ro he berveen che Torial Ry
and che Sun: For Mars which soes Furthest oF aII
Trom the Sun, will noc in Fupiter be seen above 18
Degrees trom him; and since that Planer is BuE
Emall, and reftects bur a weak Lishe, (0 near the
Sun ic cannoc be visible: So chac Saturn IS FHC ON
IV Planee chat can be seen in Fupiter, excepe tis
Duon Four Noons or Sacellices.
TheSuns Latanaa c super, willscarce
be sensible any more than Sacurns; neither bein
nuch abore 20 Seconds. So thatthe Suns appa.
rent Diamerer in Fupiter, will noc be abore 6 MIi
nutes. Bucche outermost ot his Sacallices will ap.
pear almost as greac as the Moon doch to uS, viz
OE sive rimes che Diamerer, and 25 cimes che Dist
oF the Sun, seen From the lame Planet: And il chc
orher Satellires are nor lels than che outermost, che.
will vec appear much preater: (And che L earnec
NII. Fruzens conceires them nor much tels than ou
Farth) and sire che Planet a 800d Listie in che
Nixtis, which allo can neret Me de ret
10n5.
Indeed, it he can discover chac fapres morc
round che sun, he inay be able (a5 CHC Voctor
Aance oF Fuxiter and Satum from che Sun, octier-
Wise nOL.
Our Zovial Astronomer Theretore, By the helo ot
his Senles onid distinguistr ew.s kinds oF Planees:
Tour nearer ro him, Wvtich are che Sarellires, arit
civo (25 che Sun and Saturn) IOrC RemOTe; aM
chele lacrex vould appear irti a lesser Diamerer
the Former wwich a preater. OF chie Remorest, the
Sun vould appear in Diamerer abont siX Minures
burche Diamieter oF Sacun voulel scarce be ; ot 2
Minure.
Fourth Woula appCat IO AN LSC IH FUPItCr, OL CHIC
Bignels che MOOH aoh EO US: LHaL IS, WIIH a LI
ameter sire rimes grCater, and a Disk RVenEy fIrC
times preater chan che sun dorh chere. Besules
ThC FOUT RCATeF, and ApparCHEIY SFCaTeK OBCS, WII
be distinguia LIOMI CHC MOTC FCMIOLC AME SCMCI
ones, in chis, chac in chenearer Planers che. Sguares
oF che Periodick Pimes, are as the Cubes of cheir
Distances From the Center oF Fupiter, Wvhich voue
by no means be rrue, it any one oF che Greatet
vere compared vich ans ese et Ie seller. Anc
brighethen cher; For From cheir Faces, Wtrich de
Pend upon hest Situacton, Wn Tespeet TotHe SuB
ther wiis appeaL AIKC 1O MIaM MOOnS: FTOn
OF Monchs, accordins 1o che NumbeF OF MOOIS.
There will be contained abore 2407 oF che lent
Monchs in a TCat, atu aWDuE hals the Number
OF MOnHS HeNL 1O MesC; IC NUIDeE OL thC
druple ot lhe tric, altet ene nees et lie fleale
WilI be abouc 254. So thac altho che Noration ot
Fime, bemuch more intricare in Tupiter, by Fez
Con OF thC OrCaE NuHIDEL Ot DasS Wtich cheir
YCar COntainS, vet IEIS much tacMCated DY There
pere arc onty 4 DayS and a quarter, buc in elle
TBCWS, Prop. 2.) co determine che Rario ot etie Di
OF ThC FOUT ReATeF PIaNCIS, OF SALCHHLES, THC
altho chenearer chele Planers are, ce) afeas eHe
Breatet; VCL LHC SUN WII DC MCMCI MOC
wohence a Speclaror in Fupiter will hareTOL RIHaS
Monchs ot te chird SatelMe CONCaM a MH a LCaI
vill be nearty subduple ot che second, or subqua
tour Rinds oF Monts; tor  eC sCal MOeh
DE. Crecory, (Erom Whence ehis compatative
AAtronomy is collected) Caith also, Thac an AArO.
nomer placed in Fupiter, vould easily compare
the Diltances of the four Inferior Planers vich che
Drameters oF Fupiter, a5 we do ihe Distances oF
us tom the Planers, br comparine chem wich che
Diameter oF the Farth: And ehis vould be donc
do lo che four nearest ones, calier chan we compure
Jhe Distance oF the Moon by che Farths Diame.
Ter: For che FTorizontal Parallax of the remores
oF the Planers seen From Fupiter, is above twice 25
Great a5 che Florizontal Parallax of the Moon Peer
Trom the Farch; and cheretore must be very sensi-
ble and considerable. And cho the Globe ot Fu-
piter be raslr large, in comparison ot our Parch:
vec the Suns Parallax, when hesbeheld trom Fu.
piter, will noc be quire 20 Seconds, and conse-
quently scarce sensible: Nor will che Parallax oE
Saturn, (cho Wrhen in Oppolicion co che Sun, aud
neXETO Fupicer) be much greater; and cheretore
cwill be very disticule For che Zovial Astronomer 10
Srealete lomechins more chen 40.
Besides, chese Moons sutter an Eclixse when ches
bestis in Opposition co che Sun, happen ro Fall inco
ihe Strador ot Fupiter; and asan Wontent enes
acede e secona Which deriares a liccle; upor
thes decoune Llay cheir Pelipses are Ceneral, anc
consequenr most lastins, wten the Sun is in one
OF eHC Lodes ot thole MOOnS. Bur when the SMM
is our ofchis Polirion, che Lcliples may be lotal,
tho BOc C entral, because the BreadeM OF Zupiter
Stradon, is nearts decuple che Breadrh of any ot
the Sacellites, ard the apparene Diameter oF als
OE chose MOOnS, is nearly quincuple the apparen
Diamerer of theSun. Andchisremarkeable inequa
lier of the Diameters, and che (malI Inclination che
Plain oF the Orbits oF che Sacellires has co rhe Plaim
estimare che Distance ot Saturn, or oF rhe Sun Erom os fuxiterS Orbirroundche Sun, is rherealon uhy
in eaet te todnto 2  q  e 
(beins in Conjunction wich che sun, project thei
Wwhere ne Saco Tats fisen LLeston IS d ret
Or makes an Anse seh fuptiets Orbir aboutche
Stadous lo fupiter, etes tane a LCPIC OI enC
Sun eo an Fye Placed in chac Region OE Zupiter.
(maII ParE OE FupiterS Surtace) just as our HOOn
does; bur because the Orbies oF thole MOOnS 2
Bour Zupiter, are in a Plain which is enclined ro
Sun, and are alI oF em nearts in che Tame Plain.
CMaF P lalet.