declination
101telescope — /tel euh skohp /, n., adj., v., telescoped, telescoping. n. 1. an optical instrument for making distant objects appear larger and therefore nearer. One of the two principal forms (refracting telescope) consists essentially of an objective lens… …
102Equatorial mount — An equatorial mount is a mount that has one rotational axis parallel to the Earth s axis of rotation [cite web | url = http://www.astrogea.org/soldevilla/las monturas.htm | title = LAS MONTURAS | publisher = Observatorio J. A. Soldevilla] [cite… …
103Alpha Centauri — This article is about α Centauri . For a Centauri , see V761 Centauri. For A Centauri , see A Centauri. For other uses, see Alpha Centauri (disambiguation). Alpha Centauri A[1]/B[2] …
104Archaeoastronomy — (also spelled archeoastronomy) is the study of how peoples in the past have understood the phenomena in the sky, how they used phenomena in the sky and what role the sky played in their cultures. [Sinclair 2006:13] Clive Ruggles argues it… …
105Pytheas — of Massilia (Ancient Greek Πυθέας ὁ Μασσαλιώτης), 4th century BC, was a Greek geographer and explorer from the Greek colony Massilia (today Marseille, France). He made a voyage of exploration to northwestern Europe possibly no earlier than around …
106Right ascension — (abbrev. RA; symbol α) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. The other coordinate is the declination.ExplanationRA is the celestial equivalent of… …
107Solstice — 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 …
108North — For other uses, see North (disambiguation). Compass rose with north highlighted and at top North is a noun, adjective, or adverb indicating direction or geography. North is one of the four cardinal directions or comp …
109Planisphere — For the tetralogy of songs by Justice, see Justice discography. A plastic planisphere. A planisphere is a star chart analog computing instrument in the form of two adjustable disks that rotate on a common pivot. It can be adjusted to display the… …
110Setting circles — on an equatorial fork mounted telescope Setting circles are used on telescopes equipped with an equatorial mount to find astronomical objects in the sky by their equatorial coordinates often used in star charts or ephemeris …
