Analemma

In astronomy, an analemma (ə; from Greek ἀνάλημμα `pedestal of a sundial`) is a curve representing the changing angular offset of a celestial body (usually the Sun) from its mean position on the celestial sphere as viewed from another celestial body (usually the Earth). The term is used when the observed body appears, as seen from the .....
Found on http://en.wikipedia.org/wiki/Analemma

Analemma

• (n.) A scale of the sun`s declination for each day of the year, drawn across the torrid zone on an artificial terrestrial globe. • (n.) An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon. • (n.) An instrument of wood or ...
Found on http://thinkexist.com/dictionary/meaning/analemma/

analemma

1. <chemistry> An orthographic projection of the sphere on the plane of the meridian, the eye being supposed at an infinite distance, and in the east or west point of the horizon. ... 2. An instrument of wood or brass, on which this projection of the sphere is made, having a movable horizon or cursor; formerly much used in solving some common...
Found on http://www.encyclo.co.uk/local/20973

Analemma

An`a·lem'ma (-lĕm'mȧ) noun [ Latin analemma a sun dial on a pedestal, showing the latitude and meridian of a place, Greek 'ana`lhmma a support, or thing supported, a sun dial, from 'analamba`nein to take up; 'ana` + lamba`nein to ...
Found on http://www.encyclo.co.uk/webster/A/77

analemma

A stretched figure-eight curve obtained if solar declination is plotted against the equation of time throughout a whole year. Often found on sundials and globes, analemmas were originally used to calculate standard clock time from the apparent time as indicated by the position of the Sun. The Mars a...
Found on http://www.daviddarling.info/encyclopedia/A/analemma.html

analemma

analemma A scale, found on some sundials and globes, that is shaped like a figure eight and marked to indicate the declination of the sun and to allow the calculation of apparent solar time. Originally from Greek 'to take; to take up, support.'
Found on http://www.wordinfo.info/words/index/info/view_unit/1162/

analemma

sundial
Found on http://phrontistery.info/a.html
No exact match found

No ads on this page...