ACHERNER or Acn miner, in astronomy, a constellation of the first magnitude in the sign Pisces. Its longitude, latitude, etc. can be seen under the article Pisces.
ACHRONICAL, in Astronomy, is applied to the Rising of a Star when the Sun sets; or the Setting of a Star when the Sun rises. See RISING, and SETTING.
The Achronical Rising of Mars, who is then found to be nearer the Earth than the Sun, has been one great Occasion of exploding the ancient Ptolemaic System, which places the Sun in the Centre of the World, and Mars beyond the Sun. See EARTH, MARS, etc.
The Achronical Rising of Mars, who is then found to be nearer the Earth than the Sun, has been one great Occasion of exploding the ancient Ptolemaic System, which places the Sun in the Centre of the World, and Mars beyond the Sun. See EARTH, MARS, etc.
ALDEBARAN, an Arabian Name, for a fixed Star of the first Magnitude, in the Head of the Sign or Constellation Taurus, or the Bull; and hence popularly called the Bull's Eye. Its Longitude, Latitude, etc. see among the rest of the Constellation Taurus.
ALGENEB, in Astronomy, a Fixed Star of the second Magnitude, on the right side of Perseus.—Its Longitude, Latitude, &c. see among the rest of the Constellation Perseus.
ALGOL, or Medusa’s Head, a Fixed Star of the third Magnitude, in the Constellation Perseus. Its Longitude, Latitude, &c. see under the Article PERSEUS.