Callippic
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Callippic cycle — In astronomy and calendar studies, the Callippic cycle (or Calippic) is a particular approximate common multiple of the year (specifically the tropical year) and the synodic month, that was proposed by Callippus in 330 BC. It is a period of 76… … Wikipedia
Callippic — … Useful english dictionary
Callippic cycle — /keuh lip ik/, Astron. a period equal to four Metonic cycles less one day, proposed by Callippus to correct the Metonic cycle. [1690 1700] * * * … Universalium
Callippic cycle — /keuh lip ik/, Astron. a period equal to four Metonic cycles less one day, proposed by Callippus to correct the Metonic cycle. [1690 1700] … Useful english dictionary
Antikythera mechanism — The Antikythera mechanism (main fragment) The Antikythera mechanism ( / … Wikipedia
Meton of Athens — (Greek: Μέτων ὁ Ἀθηναῖος; gen.: Μέτωνος) was a Greek mathematician, astronomer, geometer, and engineer who lived in Athens in the 5th century BC. He is best known for calculations involving the eponymous 19 year Metonic cycle which he introduced… … Wikipedia
Kallippischer Zyklus — Der kallippische Zyklus bezeichnet eine Periode,[1] die sowohl 76 Sonnenjahre, 940 Mondperioden als auch 27 759 Tage lang ist, ein 76 jähriges Kalendersystem des antiken griechischen Astronomen Kallippos von Kyzikos, das aus dem… … Deutsch Wikipedia
calendar — calendrical /keuh len dri keuhl/, calendric, calendarial /kal euhn dair ee euhl/, calendarian, calendaric, adj. /kal euhn deuhr/, n. 1. a table or register with the days of each month and week in a year: He marked the date on his calendar. 2. any … Universalium
Conversion of units — is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Contents 1 Techniques 1.1 Process 1.2 Multiplication factors … Wikipedia
Metonic cycle — Heliocentric Solar System In astronomy and calendar studies, the Metonic cycle or Enneadecaeteris (from Greek words for nineteen years) is a period of very close to 19 years which is remarkable for being very nearly a common multiple of the solar … Wikipedia
