equinoctial+circle
31celestial equator — Astron., Navig. the great circle of the celestial sphere, lying in the same plane as the earth s equator. Also called equator, equinoctial, equinoctial circle, equinoctial line. [1870 75] * * * …
32celestialequator — celestial equator n. A great circle on the celestial sphere in the same plane as the earth s equator. Also called equinoctial, equinoctial circle. * * * …
33Solstice — For other uses, see Solstice (disambiguation). UTC date and time of solstices and equinoxes[1] year Equinox Mar Solstice June Equinox Sept Solstice Dec day time day time day time day time 2004 20 …
34Pope Sylvester II — Infobox Pope English name=Sylvester II birth name=Gerbert d Aurillac term start=April 2, 999 term end=May 12, 1003 predecessor=Gregory V successor=John XVII birth date= ca. 950 birthplace=Auvergne, France dead=dead|death date=death… …
35Mithraic mysteries — Double faced Mithraic relief. Rome, 2nd to 3rd century AD. Louvre Museum The Mithraic Mysteries were a mystery religion practised in the Roman Empire from about the 1st to 4th centuries AD. The name of the Persian god Mithra, adapted into Greek… …
36line — line1 [līn] n. [ME merging OE, a cord, with OFr ligne (both < L linea, lit., linen thread, n. use of fem. of lineus, of flax < linum, flax)] 1. a) a cord, rope, wire, string, or the like b) a long, fine, strong cord with a hook, sinker,… …
37line — I. n. 1. Streak, stripe, extended mark. 2. Straight direction. 3. Parallel direction. 4. Thread, cord, string, rope. 5. Row, rank. 6. Row of words (across a page). 7. Note, short letter …
38Sundial — A sundial is a device that measures time by the position of the Sun. In common designs such as the horizontal sundial, the sun casts a shadow from its style (a thin rod or a sharp, straight edge) onto a flat surface marked with lines indicating… …
39Hipparchus — (Greek polytonic|Ἵππαρχος; ca. 190 BC ndash; ca. 120 BC) was a Greek astronomer, geographer, and mathematician of the Hellenistic period.Hipparchus was born in Nicaea (now Iznik, Turkey), and probably died on the island of Rhodes. He is known to… …
40colure — n. celestial circle intersecting other at poles. ♦ equinoctial colure, such circle passing through equinoctial points. ♦ solstitial colure, such circle at right angles to equinoctial colure …
