prism astrolabe

См. также в других словарях:

• prismatic astrolabe — noun : a portable instrument consisting of a small telescope, a 60 degree prism, and a mercury reflecting basin by which determinations of time, latitude, and azimuth may be obtained from star observations …   Useful english dictionary

• telescope — /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… …   Universalium

• navigation — navigational, adj. /nav i gay sheuhn/, n. 1. the act or process of navigating. 2. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. [1520 30; < L navigation (s. of navigatio) a voyage.… …   Universalium

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• André-Louis Danjon — Infobox Scientist name = André Louis Danjon birth date = April 6, 1890 birth place = Caen death date = April 21, 1967 death place = Paris residence = citizenship = nationality = French ethnicity = field = astronomy work institutions = known for …   Wikipedia

• Surveying — For other uses, see Survey (disambiguation). US Navy Surveyor at work with a leveling instrument …   Wikipedia

• Sundial — 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… …   Wikipedia

• History of Physics —     History of Physics     † Catholic Encyclopedia ► History of Physics     The subject will be treated under the following heads: I. A Glance at Ancient Physics; II. Science and Early Christian Scholars; III. A Glance at Arabian Physics; IV.… …   Catholic encyclopedia

• Sun — This article is about the star. For other uses, see Sun (disambiguation). The Sun …   Wikipedia

• Timeline of astronomy — Timeline of astronomy2500 BCMany ancient sites are thought to have astronomical significance, such as the Ancient Egyptian pyramids, Harappan shell instruments, British megaliths, and buildings in China and Latin America.In Lothal, the ancient… …   Wikipedia

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