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Astro*Dictionary by Michael Erlewine

 

 

 

 

2 articles for "Acronical / Acronycal"

Acronical, or Acronychal, or Acronycal [Astro*Index]

[Ancient Greek. ἄκρονυξ akronychos, at night's edge (sunset)]

An acronical planet is opposite the Sun; in that position, it will rise after sunset and set before the following sunrise. The planet is in a favorable position for astronomical observation.

See also:
♦ Heliacal Rising/setting
Acronycal [DeVore]

(a-kron'i-kal)

(Gr., on the edge of the night.)

Said of the rising after sunset, or the setting before sunrise, of a planet that is in opposition to the Sun, hence in a favorable position for astronomical observation. A. Place. The degree it will occupy when it is in opposition to the Sun.

See also:
♦ Heliacal Rising/setting

 

Astro*Index Copyright © 1997 Michael Erlewine