| Rekoa meton | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Lycaenidae |
| Genus: | Rekoa |
| Species: | R. meton |
| Binomial name | |
| Rekoa meton | |
| Synonyms | |
| |
Rekoa meton, the Meton hairstreak is a butterfly in the family Lycaenidae. It is found from Mexico to Brazil.
The Metonic cycle or enneadecaeteris is a period of approximately 19 years after which the phases of the moon recur on the same day of the year. The recurrence is not perfect, and by precise observation the Metonic cycle is defined as 235 synodic lunar months, a period which is just 1h27m33s longer than 19 tropical years. Meton of Athens judged the cycle to be a whole number of days, 6,940. Using these integer numbers facilitates the construction of a luni-solar calendar.
The Babylonian calendar was a lunisolar calendar with years consisting of 12 lunar months, each beginning when a new crescent moon was first sighted low on the western horizon at sunset, plus an intercalary month inserted as needed by decree. The calendar is based on a Sumerian predecessor preserved in the Umma calendar of Shulgi.
Barrow is an old lunar impact crater that is located near the northern limb of the Moon. It lies between the crater Goldschmidt to the northwest and the irregular formation Meton to the northeast. To the southwest is W. Bond.
Ceará Sporting Club, or Ceará, as they are usually called, is a Brazilian football team from the city of Fortaleza in the Brazilian state of Ceará, founded on June 2, 1914 by Luís Esteves e Pedro Freire. Ceará is one of the most traditionally successful clubs in the Northeast region of Brazil alongside Bahia, Santa Cruz, Sport, Náutico, Vitória and their city rivals Fortaleza.
Meton of Athens 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 in 432 BC into the lunisolar Attic calendar. Euphronios says that Colonus was Meton's deme.
Callippus was a Greek astronomer and mathematician.
Euctemon was an Athenian astronomer. He was a contemporary of Meton and worked closely with this astronomer. Little is known of his work apart from his partnership with Meton and what is mentioned by Ptolemy. With Meton, he made a series of observations of the solstices in order to determine the length of the tropical year. Geminus and Ptolemy quote him as a source on the rising and setting of the stars. Pausanius's Description of Greece names Damon and Philogenes and Euctemon's children.
Rekoa is a genus of butterflies in the family Lycaenidae. The species of this genus are found in the Neotropical realm.
The lunar north pole is the point in the Northern Hemisphere of the Moon where the lunar axis of rotation meets its surface.
Rekoa palegon, the gold-bordered hairstreak, is a butterfly in the family Lycaenidae. It is found from Argentina north to Mexico and the West Indies. A rare stray has been recorded from southern Texas.
Rekoa stagira, the smudged hairstreak or Stagira hairstreak, is a butterfly in the family Lycaenidae. It is found from Mexico south through Central America, including Nicaragua to Brazil.
Rekoa bourkei, the Jamaican hairstreak or Hispaniolan hairstreak, is a butterfly in the family Lycaenidae. It is found in the Dominican Republic, Jamaica and Trinidad.
Rekoa malina is a butterfly in the family Lycaenidae. It is found in Brazil and Argentina.
Rekoa marius, the Marius hairstreak, is a butterfly in the family Lycaenidae. It is found from Paraguay north to Sonora in Mexico. Strays may be found as far north as southern Texas. The habitat consists of disturbed tropical areas.
Rekoa zebina, the Zebina hairstreak is a butterfly in the family Lycaenidae. It is found in Nicaragua, Guatemala and Mexico.
Meton is a genus of longhorn beetles of the subfamily Lamiinae, containing the following species:
Meton digglesi is a species of beetle in the family Cerambycidae. It was described by Pascoe in 1862. It is known from Australia.
Meton tropicus is a species of beetle in the family Cerambycidae. It was described by Pascoe in 1862. It is known from Australia.
Meton granulicollis is a species of beetle in the family Cerambycidae. It was described by Pascoe in 1859. It is known from Moluccas.
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