, 1881-09-15

4NSV l1F tl41nMaAu8 A1 AGnfAs IL Ever
What WINS Loarned 0I II.
Philadelphia Lfdqtr.
IAvEnFaNn C01.s.EnE OBsEHyATOlly.
Ninth Mouth, Sit, lssl.-'rllu great comet
tConlet u, 1881 being HOW, .exccpt m tcle~
scopes, 4 thing OF tho past, II lllay be well
to Eather together tho results obtained ty
different scientific men FROM their Studies of
II. Tic comet wns aeer by the naked Eye In
South America aud Australia at lenst
Month befOse 1t WIS observed 1lurc. 1t WIS
then nucfl fainter object ft.Rn wl.cl,
1t Ind arrived Mt its pcrfllelion, whlcl,
WIS Nbunt coineitlcnt with tic t1atu
Of Its northern discovery. Good ut)srrya-
tories exist Mt lilo .Jal,eiro, Conluba, in
South Aterica, aitd ut Melbourne at1d Sid
hey, In Australia. Tho Observations Of It
taken III these pnccs. III Ills fnefptrnt siage,
Willie nut revealing anything INV III regards
It's constitution pr structure, taye teer whit
able III tcduclng tho form Ut Its orbit aill Its
identity with previous tou,ets. lilo northern
observations havo been lnu1B .yur1e.l ant!
productive. They ,,iay. bs divided Into
III; ti';sit !sru,aet " tir9Ss scW
iiE ita l1iIystcnl upDearnleo allL utinilges.
l,is.tte by ule ulA OF telescnpcs ot good tel!n-
ing power; W :snecsrosropic Observations
lor tlls n.,rp3se of ass;eEtaa!'tg !ts Structure
Thc FIRST Ut these wls ter the purpose Ut
gaining datA for u computation If iii orbit.
'flla results, 81 fur as nt ptpse,lt tlrlH HeGtl,
ssls'w tkat tue comet moves tit Il taraad!h or
III u ytry MllGl, 11attcHen ECLIPSE, ind tllRt II
steycr returtts It will only bc nfter thu Iapso
nf thousands Of years. They a!Su show that
II It l,ns ever Deell l,cro brture tllute Is I'M
rscorA ef Il 80 wG1! nutlentEgntc4 Is to isen.
lsjs iIns e!nlnei.ts whicl, VERY inucsl reso,,,-
bla tl,Use 1T our regent ylsttur, Hui Uessei,
oie Ut ll!o most roinbte nl,4 c,tretut Ut cum.
rltt:rs, Eaye itan nrblwllir.l would mt bring
l,;0o years, and the poits Of ttisslnilnri.y nre
trD gruat tu be teeollcilrd; 10 TINT tho
tdentlty ot tho two Is certainly nut estlb-
lishc<!; It ilus been sugxeateI will great
',cetca aid tiat, rs '! i, Tic the c;se "f HoIa's
cdntHi, In Ism they have partots cutttpaiIy,
and goa sn fur separated TINT 0ns lrcciales
the nther by peslul nt stvultty-lUur years.
anil eoltcts makes ntt klnt!s Of infrleacas
fr0l!i olle to tho other jusliialle, and it Ii
ccrtaln that tentlc 6Hnllss clt,.se eacl other
round mid round !n shli lnE urhits, aiMl TINT
! they nlr, rraoab'y: inrn'e.l hy tle tIsruption
functional part of Il still grcntor. .cD,ilct wlicl,
lu.fg H,;si was fofueit by s,,ina Internal eau.
ynIsiali 10 sftift fur. itsulf, mid which t,as
sitce followed tho wake Ut its pa1cnt through
The sceo,al class pf observations wera tlsosa
going lulu tlle tIetat Ut Its physical npI,c;.r-
llncc. They hnye slIow,l t|lat yiOient torccs
have hse.l ,cun1lil,ally acting withtn, niMl
FSnGr te .lisraStion tc"ry r"bnoc Tt
its spllt. B"t; BY .llu tllne olAor observers
flntt the euptuStunfty IL exn.nto the difference
wus huairG, Or tho snluler pae,llber hui fndgl
AWAY, ~ "s ,lot to reach lhc dignity Ut II
xa4 waHh! Issue fro,n tli9 nucleus. En-
yclnMs would forin themselves arunllt! Il asnl
be disslpatesl. 'Ile MASSES Ut haze surround
ing It wt,l'lt sl,uw cser-el,Mngthg slapas. alld
olerattnK within ita hll,as, wliiuh fOscCs werc
stirred nt2 lifn Ivy approach tV tl!n sun a,lh
llalhlshr,l ny rvsv*s't., Theso '.aMt
Iesl ,,Ha 'lnwso'c of t!,sIt m!olsls, ntll
number Of dinwings 9f IL. Ill tferent up.
lMArarces. which snHIu tlny will l,s valuable
iunndnilons lM theories toncesHlng ils
':thso Tho slsctroseSpisaisury @ .ay. etveu,
IL ,!le words Of WillInni lluggtna, tho Kreat
EHgltsli aull!nflty u, this t!l,a VI work, Tho
following rvsults:. "i.Art .af. tin light frou,
eoatts +, . & ;s'lss's! l.! .. so!ar lgn, aN a.ther
THIS light SHOWS tlIe presumed III Ito tumut or
| curbuu. possibly I'll. combination will hytltu-
gen." Thu nucleus H. ,rubMbly su!kl,
nlAt REFLECTS star light, tnst us tic llan,.
| u,e tatl Arv A'nssi.s nf carans, nr hyt!yU-cag-
bun gascs, e'',lttlhg light Ut tllatr own.
Besides ,tl!B prtlnf Ut TIC fact that eol,rt3
! run t,a Photographed, tho results Uhtnnralby
the u,sssn, hi R!l0taE sapi,!ng tn, eo'aa. lsseff
Aru mt vury vatNNhln. 1t would 1T first nh
Dear tllnt lu Impression wtlHfA ha tl,ura nc
ri,ratn IN its sulntls tlla', ANY drawings p0lla
p,lsathly bc. And WI II Wnnltt II th0 ux1sOsllr9
gott|sl bu only thltnes,taty. but Ii tts itAif-
llullrur tho hour Ut necessary exposure tho
tlataiIH OF tlia lipsssiMay have gteNtly changed
'rlle result IL that no ypry teiinil photographs
! Of tho nut lines OF the lend lluve bnsn, Nb-
| tnlMetl, al,l that tha drawings will contlIslo
tn bu the ru.,l0ln lllcalls Ut Knowing rs al,-
lWasalc0 NJ any N!0ll!ellt. Unt the ptlntO.
Errplla ug THO spectrum Aso ut tll9 h!Ahusl
utility atforslln. te .autll,s Vi le3surelY ai,a
cert.tn!y determining thu pns!llD,l ut ulu
bright !fHes aud the character q! tho EHs,'
staIlcra WHICH lrtMtuc9 tllcln, nlu! enabling
ajaEti9Sc6pistd to compare Will Utlu another
tflHIr cslurts.
Such IN u br!et summary Of results oh
tainott froM, thtA prtn(ltriiyo cC,nct. Never
was ol,a IIlurn carefully observed nr by 6utter
observers tlr Instruments. NnstItK lluw III
IL comets In EeIorAt ilAs huNh tlbtnll!tHf but
old tAe4'res I,Ayts been t.sAblisell an Il mass
Ut Observations taken whtclI st,lHe stny Will
nlHcI insist h, BnttltllK thu still eniKnAtltA
| gnestlnll as tn whit tlio origin, nature, al.A
pafpusa at comets nru. j. s.
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tfn1tn mud ttsA II 1tfanx.