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
[E] I should, perhaps, qualify the statement in the text
slightly in favor of a lunar lady to whom Mr. Henry M.
Parkhurst first called my attention. About nine days
after new moon a rather pretty and decidedly feminine
face appears on the western half of the disk. It is
formed by the mountains and table-lands embraced by
the Sea of Serenity, the Sea of Tranquillity, the
Sea of Vapors, etc., and is best seen with the aid
of an opera-glass of low power. The face is readily
distinguishable on Rutherfurd's celebrated photograph
of the full moon. It is necessary for this purpose
to turn the photograph upside down, since it is a
telescopic picture, and consequently reversed. The
crater Tycho forms a breastpin for the lady, and
Menelaus glitters like a diamond ornament in her hair,
while the range of the Apennines resembles a sort of
coronet resting on her forehead. This same woman in
the moon, it appears, was described by Dr. James
Thompson years ago, and, for aught I know, she may be
the Diana to whom Herrick sang:
"Queen and huntress chaste and fair,
Seated in thy silver chair,
Now the Sun is laid to sleep,
State in wonted manner keep.
Hesperus entreats thy light,
Goddess excellently bright."
A feature of the full moon's surface that instantly attracts attention
is the remarkable brightness of the southern part of the disk, and the
brilliant streaks radiating from a bright point near the lower edge. The
same simile almost invariably comes to the lips of every person who sees
this phenomenon for the first time--"It looks like a peeled orange." The
bright point, which is the great crater-mountain Tycho, looks exactly
like the pip of the orange, and the light-streaks radiating from it in
all directions bear an equally striking resemblance to the streaks that
one sees upon an orange after the outer rind has been removed. I shall
have something more to say about these curious streaks further on; in
the mean time, let us glance at our little sketch-map of the moon.
[Illustration: MAP OF THE MOON.]
The so-called seas are marked on the map, for the purpose of reference,
by the letters which they ordinarily bear in lunar maps. The numerals
indicate craters, or ring-plains, and mountain-ranges. The following
key-list will enable the reader to identify all the objects that are
lettered or numbered upon the map. I have given English translations of
the Latin names which the old astronomers bestowed upon the seas:
_Seas, Gulfs, and Marshes._
Public-domain text, read in full here on John Shaqi.
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