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A particularly important transit is the planetary return. This occurs when a transiting planet returns to the same point in the sky that it occupied at the moment of a person's birth. What this means is that the planet has completed a whole circuit of the sky, and signifies that a new cycle in the person's life is beginning.
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The 114 Megabyte ephemeris files include the orientation of the Moon. It spans the years 1550–2650. JPL started transitioning to DE440 in early April 2021. Supplemental versions are also available which include the planetary geometric center of Mars as well as Mars' barycenter. [20] DE441 [19] was created in June 2020. This ephemeris is ...
A fundamental ephemeris of the Solar System is a model of the objects of the system in space, with all of their positions and motions accurately represented. It is intended to be a high-precision primary reference for prediction and observation of those positions and motions, and which provides a basis for further refinement of the model.
In the Hipparchian, Ptolemaic, and Copernican systems of astronomy, the epicycle (from Ancient Greek ἐπίκυκλος (epíkuklos) 'upon the circle', meaning "circle moving on another circle") [1] was a geometric model used to explain the variations in speed and direction of the apparent motion of the Moon, Sun, and planets.
He returns to this concept later in Harmonice Mundi with relation to astronomical explanations. In the second chapter is the earliest mathematical understanding of two types of regular star polyhedra , the small and great stellated dodecahedron ; they would later be called Kepler's solids or Kepler Polyhedra and, together with two regular ...
The existence of a planetary homeostasis influenced by living forms had been observed previously in the field of biogeochemistry, and it is being investigated also in other fields like Earth system science. The originality of the Gaia hypothesis relies on the assessment that such homeostatic balance is actively pursued with the goal of keeping ...
In contrast to geocentric astrology, which places Earth at the center, heliocentric astrology interprets planetary positions from the Sun's vantage point. While geocentric astrology considers elements like the ascendant, midheaven, houses, Sun, Moon, and planetary aspects, heliocentric astrology focuses primarily on planetary aspects and ...