The triquetrum (derived from the Latin tri- ["three"] and quetrum ["cornered"]) was the medieval name for an ancient astronomical instrument first described...

Triquetrum may refer to: triquetrum (astronomy), an ancient astronomical instrument The triquetral bone in the human wrist This disambiguation page lists...

Ancient Greek astronomy is the astronomy written in the Greek language during classical antiquity. Greek astronomy is understood to include the Ancient...

Indian astronomy refers to astronomy practiced in the Indian subcontinent. It has a long history stretching from pre-historic to modern times. Some of...

instrument Triquetrum – Ancient astronomical instrument Zenith telescope – Type of telescope that points straight up Astronomy Outline of astronomy Surveying...

In astronomy, the geocentric model (also known as geocentrism, often exemplified specifically by the Ptolemaic system) is a superseded description of...

that is, a text that deals exclusively with the computational aspects of astronomy. But in fact it not a pure karaṇa text; it could be best described as...

The Kerala school of astronomy and mathematics or the Kerala school was a school of mathematics and astronomy founded by Madhava of Sangamagrama in Tirur...

every third value of the Mahādevī tables, Makarandasārini Rājamṛgāṅka (astronomy book) For a detailed mathematical analysis of the tables in Maahādevī:...

measuring the harmony of the heavens". It consists of 13 architectural astronomy instruments. The site is one of five built by Maharaja Jai Singh II of...

Hindu temple in Bali, Indonesia Hindu units of measurement Hindu astronomy – Astronomy on the Indian subcontinentPages displaying short descriptions of...

represent longitude and latitude. A Paralactic Ruler- also known as a Triquetrum was used to calculate the altitudes of celestial bodies. An Astrolabe-...

specified day. Kali ahargaṇa is one of the basic parameters of Indian astronomy and it is extensively used in all sorts of astronomical computations....

hora-s is there in India only in the astrological literature. Works on astronomy like Surya-Siddhānta and Āryabhaṭīya do not mention hora as unit of time...

work of the 5th century Indian mathematician Aryabhata. Philosopher of astronomy Roger Billard estimates that the book was composed around 510 CE based...

naked eye. The observatory is an example of the Ptolemaic positional astronomy which was shared by many civilizations. The monument features instruments...

Astronomical basis of the Hindu calendar Hindu units of measurement Hindu astronomy Jyotish Henderson, Helene. (Ed.) (2005) Holidays, festivals, and celebrations...

a main work of Brahmagupta, written c. 628. This text of mathematical astronomy contains significant mathematical content, including the first good understanding...

basis of the Hindu calendar Chitragupta Hindu units of measurement Hindu astronomy Jyotisha Nisan Henderson, Helene. (Ed.) (2005) Holidays, festivals, and...

karaṇa text, that is, a book which explain the various computations in astronomy especially with regard to those related to the preparation of Panchangam-s...

Treatise on Spherical Astronomy. Cambridge University Press. p. 83. Meeus (1991), chap. 26 Serviss, Garrett P. (1908). Astronomy With the Naked Eye. Harper...

(turricula), using primitive instruments modeled on ancient ones—the quadrant, triquetrum, armillary sphere. At Frombork Copernicus conducted over half of his more...

Jai Singh II, who had a keen interest in mathematics, architecture and astronomy. The largest example is the equinoctial sundial belonging to Jaipur's...

state. Hinduism portal Astronomical basis of the Hindu calendar Hindu astronomy Hindu units of measurement List of most popular given names Tishrei Henderson...

the most important contribution of Fīrūz Shah Tughlaq in the field of astronomy. Mahendra Sūri, the astronomer who wrote the first ever Sanskrit manual...

Astronomical basis of the Hindu calendar Hindu units of measurement Hindu astronomy Jyotish Henderson, Helene. (Ed.) (2005) Holidays, festivals, and celebrations...

Instruments, which described a variety of different instruments, including the triquetrum and armillary sphere, the equinoctial armillary and solsticial armillary...

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, which is the line perpendicular...

the Hindu calendar Hindu units of measurement Hindu astrology Indian astronomy Henderson, Helene. (Ed.) (2005) Holidays, festivals, and celebrations...

of astronomy and mathematics Other regions Babylonian astronomy Ancient Greek astronomy Hellenistic astronomy Islamic astronomy Chinese astronomy European...