The Topeka state journal. [volume] (Topeka, Kansas) 1892-1980, 1899-02-02
In THE TROPICS

(From the San Francisco Chronicle.l
The belief that there is little or no twi-
cling our planet Is a widespread one His
tory, however, warns US that beliefs need
indeed almost be said that they do not.
The toiling and moiling millions, the hum
tute What is caied n IA s p ST1 have
neither the time nor the Inclination to
tellectual coffee that they have at odd
mostly chicory. Such iia state ate of mind IN
questionably makes for happiness and al
too much resemblance to that of. say, the
coW. It is none the less real for all that.
Twilight is at it's shortest at the eQua-
tor and increases with the latitudemat
as that at which the meridianS decrease
their distance from one another. The in
crease is, therefore, very slow in low lat
Practical. or civil, twilight, is the time
which elapses between the moment of the
seven degrees of great CIRCLE below the
TINE Cannot be less than Is minutes. At
the edges of the tropic zone it is about 81
VIII Should he t with Make go1 the
ment, find that when al sea and on or
near the equator. he is able to read aver
age type on deck for period of at least
2 minutes after the sun has set without
the no ad Sr ght ana tb when 5neT
sense experiment by which the duration
The actual duration is considerably longer
than the practical, and, even at the eq1a-
before night holds undisputed sway This
is the length of the true-the astronomical
It is at or near the equinoxes that the
phenomenon under consideration is at it's
periods it lasts at Honolulu 30 minutes: at
San FRANCISCO, IS; at London, %; at St
circles. r. and at the poles, IS days. When
then, We say that the poles have six
a faCOn Darl6r.
The north pole has no less than 222 days
pole 215 days, the equator 1877 days. Nam
sen, when in high northern ATTITUDES,
days before the longed-for sunrise follow
ing the long winter night; The great
Boon indeed to Explorers rt The popular
imagination usually attaches itself 20 the
real enemy is the long darkness, which is
trying to the enthusiasm of even a Nam
sen. a Peary or a Jackson.
There is practically no difference in the
equin.oxess, and soistices. Even at Homo
pie of minutes; But in the higher lati-
ed In latitude 5s1S degrees, for instance,
it lasts Of minutes at the equinoxes. but
set to sunrise--that is to say, from $40 till
2:5Q or for hours and 40 minutes.
twilight lasts ali might at the eduinoxes.
The sur! is. it is true. only II hours above
than seven degrees below it there is con
tinual daylight for the "a hours. In such
cities as Stockholm and ST.. Petersburg
those seasons when day and night are
said to be equal, and at the equator itself
the day all the year round is made up of
10 hours daylight and II hours darkness.
1t must also not be forgotten that in those
ATTITUDES where the remains for
months below the horizon there is during
that period a good deal of daylight,so that
along the eightieth parallel north Ca little
north of which the Jackson-Harnlsworth
expedition spent three consecutive years
in the Franz Josef islands,, although the
sun does not rise between October 10 and
February %, there is a period of three
weeks following the final sunset and an
other of the same length preceding the
first sunrise of the year, on each day of
which good type can be read for a few
minutes up to some hours-without artifi-
cial light