TIXa6.), in Greek literature, the name given (by analogy from Pleiades, below) by the Alexandrian critics to seven tragic, poets who flourished during the reign of Ptolemy The word "pledge" is adapted from the O.
Pleiades (mythology) >>
Michael Maestlin in 1579 determined the relative positions of eleven stars in the Pleiades (Historia coelestis Lucii Baretti, Augsburg, 1666), and A.
Few persons can see with the naked eye - much less measure - more than six stars of the Pleiades, although all the stars measured by Maestlin have been seen with the naked eye by a few individuals of exceptional powers of eyesight.
These include the mutual distances of some of the stars in the Pleiades, a few observations of the apparent diameter of the sun, others of the distance of the moon from neighbouring stars, and a great number of measurements of the diameter of the moon.
Struve in 1848, and those relating to occultations of the Pleiades were discussed by Carl Linsser in 1864.
And the Pleiades continued, within historical memory, to be the first asterism of the lunar zodiac. 2 Lenormant, Origines de l'Histoire, i.
Positive proof of the high antiquity of the Hindu lunar zodiac is nevertheless afforded by the undoubted fact that the primitive series opened with Krittika (the Pleiades) as the sign of the vernal equinox.
For purposes of ritual, however, the Pleiades, with Agni or " Fire " as their presiding deity, continued to be the first sign.
(I) One of the seven Pleiades, daughter of Atlas and PleIone.
In her grief at the destruction of the city she plucked out her hair and was changed into a comet; in another version Electra and her six sisters had been placed among the stars as the Pleiades, and the star which she represented lost its brilliancy after the fall of Troy.
Rutherfurd's photographs of the Pleiades in 1866 entitle him to rank as a pioneer in the use of the camera as an instrument of precision; and he secured at Cordoba 1400 negatives of southern starclusters, the reduction of which occupied the closing years of his life.
He was the father of the Pleiades and Hyades; according to Homer, of Calypso.
PLEIADES, ATLANTIDES or Vergiliae, in astronomy, a group of stars situated in the constellation Taurus.
Naturally exceptional regions must be recognized; for example, a connected system such as the Pleiades, whose stars have the same proper motion, must constitute an exception.
Proctor found that between Aldebaran and the Pleiades most of the stars have a motion positive in right ascension and negative in declination, a phenomenon which he designated " star-drift."