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
The first glimpse we get of the hero of the sky is the long bending row
of little stars that glitter in the lion's skin which, according to
mythology, serves him for a shield. The great constellation then
advances majestically into sight. First of its principal stars appears
Bellatrix in the left shoulder; then the little group forming the head,
followed closely by the splendid Betelgeuse, "the martial star,"
flashing like a decoration upon the hero's right shoulder. Then come
into view the equally beautiful Rigel in the left foot, and the striking
row of three bright stars forming the Belt. Below these hangs another
starry pendant marking the famous sword of Orion, and last of all
appears Saiph in the right knee. There is no other constellation
containing so many bright stars. It has two of the first magnitude,
Betelgeuse and Rigel; the three stars in the Belt, and Bellatrix in the
left shoulder, are all of the second magnitude; and besides these there
are three stars of the third magnitude, more than a dozen of the fourth,
and innumerable twinklers of smaller magnitudes, whose commingled
scintillations form a celestial illumination of singular splendor.
"Thus graced and armed he leads the starry host."
By the time Orion has chased the Bull half-way up the eastern slope of
the firmament, the peerless Dog-Star, Sirius, is flaming at the edge of
the horizon, while farther north glitters Procyon, the little Dog-Star,
and still higher are seen the twin stars in Gemini. When these
constellations have advanced well toward the meridian, as shown in our
circular map, their united radiance forms a scene never to be forgotten.
Counting one of the stars in Gemini as of the first rank, there are no
less than seven first-magnitude stars ranged around one another in a way
that can not fail to attract the attention and the admiration of the
most careless observer. Aldebaran, Capella, the Twins, Procyon, Sirius,
and Rigel mark the angles of a huge hexagon, while Betelgeuse shines
with ruddy beauty not far from the center of the figure. The heavens
contain no other naked-eye view comparable with this great array, not
even the glorious celestial region where the Southern Cross shines
supreme, being equal to it in splendor.
Public-domain text, read in full here on John Shaqi.
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