Astronomy with an Opera-glass: A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments — John Shaqi
Astronomy with an Opera-glass: A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical InstrumentsServiss, Garrett Putman
Science
Astronomy with an Opera-glass: A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments
Serviss, Garrett Putman
Astronomy
Directly above Piscis Australis, and to the east or left of Capricorn,
the map shows the constellation of Aquarius, or the Water-Bearer. Some
say this commemorates Ganymede, the cup-bearer of the gods. It is
represented in old star-maps by the figure of a young man pouring water
from an urn. The star Alpha ([alpha]) marks his right shoulder, and Beta
([beta]) his left, and Gamma ([gamma]), Zeta ([zeta]), Eta ([eta]), and
Pi ([pi]) indicate his right hand and the urn. From this group a current
of small stars will be recognized, sweeping downward with a curve toward
the east, and ending at Fomalhaut; this represents the water poured from
the urn, which the Southern Fish appears to be drinking. In fact,
according to the pictures in the old maps, the fish succeeds in
swallowing the stream completely, and it vanishes from the sky in the
act of entering his distended mouth! It is worthy of remark that in
Greek, Latin, and Arabic this constellation bears names all of which
signify "a man pouring water." The ancient Egyptians imagined that the
setting of Aquarius caused the rising of the Nile, as he sank his huge
urn in the river to fill it. Alpha Aquarii was called by the Arabs
Sadalmelik, which is interpreted to mean the "king's lucky star," but
whether it proved itself a lucky star in war or in love, and what
particular king enjoyed its benign influence and recorded his gratitude
in its name, we are not informed. Thus, at every step, we find how
shreds of history and bits of superstition are entangled among the
stars. Surely, humanity has been reflected in the heavens as lastingly
as it has impressed itself upon the earth.
Starting from the group of stars just described as forming the
Water-Bearer's urn, follow with a glass the winding stream of small
stars that represent the water. Several very pretty and striking
assemblages of stars will be encountered in its course. The star Tau
([tau]) is double and presents a beautiful contrast of color, one star
being white and the other reddish-orange--two solar systems, it may be,
apparently neighbors as seen from the earth, in one of which daylight is
white and in the other red!
Public-domain text, read in full here on John Shaqi.
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