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Optical Hipparchus - created the first known star catalogue with more than 850 stars. The data was incorporated into the Almagest along with the first list of stellar magnitudes and was the primary astronomical reference until modern times, 190-120 BC.
The Lunation Number or Lunation Cycle is a number given to each lunation beginning from a specific one in history. Several conventions are in use. The most commonly used was the Brown Lunation Number (BLN), which defines "lunation 1" as beginning at the first new moon of 1923, the year when Ernest William Brown's lunar theory was introduced in the American Ephemeris and Nautical Almanac.
The panakawan characters are generally much-loved by audiences who attend wayang plays in Indonesia and their appearance in the plays is usually greeted with laughter and anticipation. Role [ edit ]
National symbols of Indonesia are symbols that represent Republic of Indonesia. It can represent Indonesia as a nation, Indonesian people , culture , arts, and its biodiversity . The official symbols of Indonesia are officially recognise symbols that represent Indonesia and enforced through Indonesian laws.
Particle size analysis, particle size measurement, or simply particle sizing, is the collective name of the technical procedures, or laboratory techniques which determines the size range, and/or the average, or mean size of the particles in a powder or liquid sample.
The former Weights and Measures office in Seven Sisters, London Units of measurement, Palazzo della Ragione, Padua. A unit of measurement, or unit of measure, is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. [1]
A typical twin mountain drawing. A drawing of twin mountains (Indonesian: pemandangan gunung kembar, "twin mountain view", or pemandangan gunung legendaris, "legendary mountain view") is a drawing pattern commonly made by Indonesian kindergarten and primary school students.
Phalaenopsis amabilis (Indonesian: anggrek bulan meaning "moon orchid") is one of the three national flowers in Indonesia, the other two being the sambac jasmine and padma raksasa. [7] It was officially recognized as national "flower of charm" ( Indonesian : puspa pesona ) in Presidential Decree No. 4 in 1993.