equant

  • 111Octaeteris — In astronomy, an octaeteris (plural: octaeterides) is the period of eight solar years after which the moon phase occurs on the same day of the year plus one or two days. This period is also in a very good synchronicity with five Venusian… …

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  • 112Leucite — is a rock forming mineral composed of potassium and aluminium tectosilicate K [AlSi2O6] . Crystals have the form of cubic icositetrahedra but, as first observed by Sir David Brewster in 1821, they are not optically isotropic, and are therefore… …

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  • 113Cerussite — Cerussite, Les Frages Mine – France General Category Carbonate mineral Chemical formula …

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  • 114Global One — was an international voice and data telecommunications carrier, formed in 1996 as a joint venture between France Télécom, Deutsche Telekom and Sprint Corporation.Although it built an extensive international network, it was never a financial… …

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  • 115De revolutionibus orbium coelestium —   …

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  • 116Chaitra — (Marathi चैत्र caitr, Hindi: चैत्र cait, Bengali:চৈত্র, Kannada ಚೈತ್ರ , Chaitra , Telugu:చైత్రము chaitramu Tamil: சித்திரை chithirai, Malayalam: ചൈത്രം chaitram) is a month of the Hindu calendar. In India s national civil calendar Chaitra is the… …

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  • 117Aashaadha — (Hindi: आसाढ़ aasaarh or आषाढ aaṣaaḍh) is a month of the Hindu calendar. In India s national civil calendar, Aashaadh is the fourth month of the year, beginning on 22 June and ending on 22 July. The month is known as Aadi in Tamil. In solar… …

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  • 118Agrahayana — For month in Bengali calendar, see Ogrohayon. Agrahayana or Margashirsha,[1] (Hindi: अगहन agahan, मार्गशीर्ष ) is a month of the Hindu calendar and Tamil calendar. In India s national civil calendar, Agrahayana is the ninth month of the year,… …

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  • 119On the Heavens — Page one of Aristotle s On the Heavens, from an edition published in 1837 On the Heavens (Greek: Περί ουρανού, Latin: De Caelo or De Caelo et Mundo) is Aristotle s chief cosmological treatise: it contains his astronomical theory and his ideas on… …

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  • 120Al-Nayrizi — Abū’l ‘Abbās al Faḍl ibn Ḥātim al Nairīzī (Arabic: أبو العباس الفضل بن حاتم النيريزي‎, Latin: Anaritius, Nazirius, 865–922) was a 9th 10th century Persian mathematician and astronomer from Nayriz, Fars, Iran. He flourished under al Mu tadid,… …

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