The Houston daily post. [volume] (Houston, Tex.) 1886-1903, 1897-07-07


IS that although these two iodies appear
I to the naked eye. and even wh-l iuYl ed
81 through iieldgass i, i single slaI,
/ theiI ac'lA distance apart is no l. IS than
spFr@uQl} miles.
, The Tyre. now seen directly above the
swan. though small and by no means
. striking constellation, Is astronomically q
very interesting one Its principal star,
| Alpha Lyrae better known as Vega is
] one OF the three brllliauJs OF the north
( e9u hemisphere, its rivals being Capella
and Arcturus. Vega is a "Slrian" star,
shining with the blush white light which
chagac,eri1es The splendid Dog star, and.
! Ike <, giving a spectrum strongly marked
/ WIKI the hydrogen lines and Indicating an
| intensely high temperature. The distance
| Of this brilliant star from us is a matter
about which astronomers are still al SEA.
! \ mean value o. len Of tho most trust
4 worthy denominations, made previously 10
tina. OF IT Elkin in 1855 makes It's dis
/ lance about nineteen light years" Or.
E!k.n could make bu. little OF the stars
! parallaX. the probable error" which is
always taken account OF in measurements
/ Of great nicely. beng larger than the
! quantity which he sfIed out finally for
/ parailaN The star may he. according to
his observations. no more than forty light
years d!stani--nut Lessor 1t may be SO
distant Is 10 show no paral.ax at all, the
| probability being that its distance is some
where about uinetytve light years" II
| goes without saying that II this is the
case Vega is one OF the giants among the
! celestials. far surpassing even Sirius in
volume.
| just below Vega may be seen two stars
Of the dtth magnitude. which make with
| Vega q small, nearly eQualslded triangle.
That on the left is Epsilon Lyrae, some
zines called the pouble-double. Even an
/ opera glass viii show that II is a double
| star and very pretty object if is for
this instrument. while A small telescope
| will show that each OF the componepts
! which form, the doubIe star is Itsel:
double. A larger instrument will bring
! into view three other stars. situated b.
tween The t,vn which form m, wide nsir
making ln all seven star, where the un-
aided eve secs hut one.
| Tn nai- of Tho third ,narr,,u5, s,a-e
which FORM tina southern corner ~ The
triangular T.vre are Be,a and Gamma
! I,,,r'e Tho ,,n,s~ sids ~ Tho ,wo H.
, =, ,.,ri.hia re,alt,, tro,, ,b., .,iri -, 49,,
80 1to'a, vr's 49, ,1 10 'e
~. ~ ,..r'ogI ~ -, ,iir..a,
~ ~ ,., w. go.
wv lao, ~ 80 ,,,av.,,, - oo,
~. ia. ~ 1ns ',,. 'naAn'u", "a
ns.Tns VI sI.N'et 1'i,."u'S anu wv
!'tN.'''s,' az uup Vi ~H!sh ~ II ieSs pltt
lsht man at Inc other, This is good
on!e'o ioF uns a'l a. Sar-saaer 10 keep
an eye upon ABOUT midway between
W. s,"s ''S tht curious Ilhg
htou'a' winch seen 'hrongh large tele-
scope pears very striking resemblance
70 one OF those smoke rings which to-
/ bacco smoker sometimes amuses himself
IN sending ho1ting through the air.
another noteworthy fact about the Tyre
| is, that according 10 the observations OF
/ Herr Stu'n< the sun. with It's family OF
planets is travelling through space almost
! directly toward the center OF this constel-
latton, According 10 this astronomer our
/ distance from the Tyre is diminishing at
the rate OF about eight miles a second.
or 10000 600 miles year.
Mercury will be morning star until the
| 10TH and after that date an evening STAR
! but It Will not be visible during the month
Venus is a brilliant morning star. she
shone with her greatest brIlliancy as such
on the 81 of last month. she will be al
/ her greatest elongation from the sun west
-ij degrees A minutes-on the eth.
Mars is an evening star. in the constella.
| tion Leo. moving rapidly eastward. on
| the 25th II will be In conjunction with In
| piter only minutes-less than one-fnur,h
OF the apparent diameter OF the moon
south OF jupiter and the two planets o.,
( be viewed together through ,elescnnn
Jupiter 10 an evening star Il, ''' .n S
Ward bnt Iess r sr'N , nmu moving east
SIN a., f,na n,'ts,, -" ~, ','Hn nars' II Is
Saturn is an evening STAR en- tho cor
4