Round the year with the stars: The chief beauties of the starry heavens as seen with the naked eyeServiss, Garrett Putman
Science
Round the year with the stars: The chief beauties of the starry heavens as seen with the naked eye
Serviss, Garrett Putman
Astronomy -- Popular works
“That they ‘were seven who now are six’ is asserted by almost all
the nations of the earth from Japan to Nigritia, and variants of the
classical story of the ‘Lost Pleiad’ are still repeated by sable
legend-mongers in Victoria, by headhunters in Borneo, by fetish
worshippers amid the mangrove swamps of the Gold Coast. An impression
thus widely diffused must either have spread from a common source or
originated in an obvious fact; and it is at least possible that the
veiled face of the seventh Atlantid may typify a real loss of light in
a prehistorically conspicuous star.”
The name Pleiades is derived from the Greek πλεἵν, to sail, because
their heliacal rising occurred at the time when navigation opened in
the seas of Greece, and their heliacal setting at the time of its close.
“... Rude winter comes
Just when the Pleiades begin to set.”
But their religious significance seems always to have exceeded their
practical importance as a sign of the seasons, and from the temples
on the Acropolis of Athens to the sanctuaries of Mexico, Yucatan, and
Peru they were regarded with reverence and awe. Modern popular fancies
have been less reverential, and Alcyone and her attendants have been
degraded to the figure of a “hen and her chickens.” Our red-skinned
predecessors on this continent were more poetical, for they saw in the
Pleiades a group of lost children, and in old China they were starry
sisters busy with their needlework.
High overhead, above Orion and Taurus, gleams Capella, the chief star
of the constellation Auriga, the “Charioteer.” This is also a white
star, but no correct eye would confuse it with Rigel or Vega. It has
none of the sapphire tint that is mingled in their rays, but is rather
of the whiteness of cream. It is a very great star, not only in its
apparent brilliance, but in actual luminosity. With a parallax of
0″.09, Newcomb calculated its luminosity at one hundred and twenty
times that of the sun. It is a spectroscopic binary, the invisible
companion revolving round it in a period of one hundred and four days.
In spectroscopic character it closely resembles the sun, being in the
same stage of development. Vogel’s observations indicate that it is
flying away from us at a speed of more than a million and a quarter
miles per day; but, in contradiction to this, some have thought that it
is increasing in brightness. A little elongated triangle of stars below
and somewhat to the west of Capella serves to render its recognition
certain to the beginner in star-gazing. In the evenings of early
November, when one is in the northeast and the other in the northwest,
it is interesting to compare Capella with Vega, both in brightness and
in color. In late January evenings Capella is near the zenith for the
middle latitudes of the United States, and at such times is a superb
object. The Milky Way pouring through Auriga increases the beauty of
the spectacle.
Public-domain text, read in full here on John Shaqi.
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