Atlanta tri-weekly journal. [volume] (Atlanta, Ga.) 1920-19??, 1924-06-28

O. Are any of the stars hotter than our
sun? V. r.
A. Professor e. e. slosson says that the
orion stars are the most massive and hottest
of all the stars. Their surface temperatures
are believed to be at least as high as 10000
degrees, as compared with the surface tenn
perature of 1900 degrees for our own sun
Q. Is it true that a hard battle will bring
on storm? G. v r.
A. The Weather Bureau says that rain
often follows battle. but that the battle
does not bring on the storm. The movements
OF troops that precede battle must general
ly be carried out in fair weather, as dry roads
are an important factor in such movements
AS these preIiminaries often take several
days, the end of dry spell of, average dura-
ton is quite likely to be reached by the time
the engagement is fairly begun and rain will
then be due in accordance with the normal
program of nature.
Q. How much does it cost to build and
maintain battleship?
A. The Bureau of Construction and Repair
says that the average first line battleship of
the United States Navy today costs about
$50 100000 for construction, and the yearly
maintenance of such vessel (including pay
of officers and men and other details of a
similar nature) may be estimated at from
one and one-half million dollars to one mill
lion eight hundred thousand dollars.
.. Where did the phrase Ito learn by
heart originate? E. r.
A. The origin of the phrase may be traced
to the ancient beliek that the heart is the
seat Of emotion. Figuratiyely speaking, the
heart has continued to signify the seat of de-
sire. Hence, if one is especially DESTROYS of
preserving a thought he is said to have
learned it by heart"
O. In proportion to the population how
did the North and South enter the army in
the Civil war? A. G..
A. Less than one-half of the military popu-
lation of the North entered the army, while
rhn SrIJ- i7,o he
Military age in the North was from Is to 40;
in the South, from L to 60. 4
Q. When was the great excitement over
the second coming OF Christ? F. A. B.
A. The greatest agitation due to the ex-
pectation of the second advent of Christ took
place in 1S45-1S44 due to the preaching Of
William Miller who in 1881 foretoid me end
of the world on the later dates.
Q. Are there any absolutely smokeless ex-
plosiyes? E. A. G.
\. The Geological Survey says that there
are no absolutely smokeless explosives.
There IS always a little vapor present. even
in compressed air. SmokeIess powder is sim
ply smoke-weak powder, giving very much
less smoke than black powder
Q. When were umbrellas first used in the
United States? W. o, H.
A. They made their first appearance in
Baltimore in 1872.
Q. How many parishes compose the Flor
ida Parishes in Louisiana, and what district
are they in? f. NJ. G.
A The Florida Parishes are TangipahOa
Parish Washington Parish, ST. Tammany
Parish. St. Helena Parish Livingston Parish.
They are in the Sixth Congressional District
q. Are there any flames that WI melt
rocks? c. d. s.
A The Geological Survey says that rocks
melt at different temperatures. Some rocks
can be melted in candle flame: others re-
quire an oXyhydrogen flame or even an cleo
trio arc flame.