measuring frame
61Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …
62Octant (instrument) — Octant. This instrument, labelled Crichton London, Sold by J Berry, Aberdeen, appears to have an ebony frame with ivory scale, vernier and signature plate. The index arm and mirror supports are brass. Rather than use a sighting telescope, this… …
63Comparison of video codecs — A video codec is software or a device that provides encoding and decoding which may or may not include the use of video compression and/or decompression for digital video. The compression may employ lossy data compression, so quality measurement… …
64Nicolas Mathieu Rieussec — Born Nicolas Mathieu Rieussec July 20, 1781(1781 07 20) Paris, France Died June 18, 1866(1866 06 18) (aged 84) Paris, France Occupation Watchmaker, inventor, businessman …
65TABERNACLE — (Lat. tabernaculum, tent ; taberna, hut ; the word renders the Heb. mishkan), the portable sanctuary constructed by the Children of Israel in the wilderness at the command of God. (The word has no connection with the Festival of Tabernacles –… …
66Optical resolution — This article is about optical resolution in optics. For the method of separating enantiomers in chemistry, see Chiral resolution. Optical resolution describes the ability of an imaging system to resolve detail in the object that is being imaged.… …
67List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …
68Islamic arts — Visual, literary, and performing arts of the populations that adopted Islam from the 7th century. Islamic visual arts are decorative, colourful, and, in religious art, nonrepresentational; the characteristic Islamic decoration is the arabesque.… …
69Cotehele clock — Coordinates: 50°29′45″N 4°13′33″W / 50.49592°N 4.225964°E / 50.49592; 4.225964 …
70Luminiferous aether — The luminiferous aether: it was hypothesised that the Earth moves through a medium of aether that carries light In the late 19th century, luminiferous aether or ether, meaning light bearing aether, was the term used to describe a medium for the… …
