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An elliptic Kepler orbit with an eccentricity of 0.7, a parabolic Kepler orbit and a hyperbolic Kepler orbit with an eccentricity of 1.3. The distance to the focal point is a function of the polar angle relative to the horizontal line as given by the equation ( 13 )
This is an accepted version of this page This is the latest accepted revision, reviewed on 27 January 2025. Ruler of the Titans in Greek mythology Not to be confused with Chronos, the personification of time. For other uses, see Cronus (disambiguation). Cronus Leader of the Titans Rhea offers a stone wrapped in swaddling clothes, instead of the newborn Zeus, to Cronus. Red-figure ceramic vase ...
'Time'; , Modern Greek:), also spelled Chronus, is a personification of time in Greek mythology, who is also discussed in pre-Socratic philosophy and later literature. [1] Chronos is frequently confused with, or perhaps consciously identified with, the Titan, Cronus, in antiquity, due to the similarity in names. [2]
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.
Five planets can be seen with the naked eye: Mercury, Venus, Mars, Jupiter, and Saturn, the Greek names being Hermes, Aphrodite, Ares, Zeus and Cronus. [13] Early Greek astronomers thought that the evening and morning appearances of Venus represented two different objects, calling it Hesperus ("evening star") when it appeared in the western ...
The middle son of Cronus and Rhea. Brother of Zeus and Hades. Married to the Nereid Amphitrite; although, as with many of the male Greek gods, he had many lovers. His symbols include the trident, horse, bull, and dolphin. Demeter: Ceres: Goddess of the harvest, fertility, agriculture, nature and the seasons.
In Greek mythology, the name Coronus (Ancient Greek: Κόρωνος means "crooked, curved") may refer to: Coronus, king of the Lapiths, the son of Caeneus and counted among the Argonauts. [1] In some accounts his father was Actor. [2] His own children were Leonteus [3] and Lysidice. [4] He led a war against King Aegimius and was killed by ...
In a two-body problem with inverse-square-law force, every orbit is a Kepler orbit. The eccentricity of this Kepler orbit is a non-negative number that defines its shape. The eccentricity may take the following values: Circular orbit: e = 0; Elliptic orbit: 0 < e < 1; Parabolic trajectory: e = 1; Hyperbolic trajectory: e > 1; The eccentricity e ...