pointing+to+the+zenith
81Telescope mount — A telescope mount is a mechanical structure which supports a telescope. Telescope mounts are designed to support the mass of the telescope and allow for accurate pointing of the instrument. Many sorts of mounts have been developed over the years …
82Star diagonal — A star diagonal is an angled mirror or prism used in telescopes that allows viewing of objects that are at a 90° angle from the direction the telescope is pointing. It allows convenient and comfortable viewing when the telescope is pointed at, or …
83Mike (cat) — Mike (February 1909 January 1929) was a famous cat who guarded the gates of the British Museum and whose fame was such that Time Magazine devoted two articles to him on his death. E. A. Wallis Budge s work describing the life of Mike has been… …
84Circular polarization — The electric field vectors of a traveling circularly polarized electromagnetic wave. In electrodynamics, circular polarization[1] of an electromagnetic wave is a polarization in which the electric field of the passing wave does not change… …
85Albinism in popular culture — The depiction of albinism in popular culture, especially the portrayal of people with albinism in film and fiction, has been asserted by albinism organizations and others to be largely negative and has raised concerns that it reinforces, or even… …
86BIBLE — THE CANON, TEXT, AND EDITIONS canon general titles the canon the significance of the canon the process of canonization contents and titles of the books the tripartite canon …
873rd century — The 3rd century is the period from 201 to 300 in accordance with the Julian calendar in the Christian/Common Era.In this century, the Roman Empire sees a crisis, marking the beginning of Late Antiquity. In Persia, the Parthian Empire is succeeded …
88Special Air Service — The Regiment redirects here. For the video game, see The Regiment (video game). Special Air Service Special Air Service cloth cap badge Active …
89List of Tsubasa: Reservoir Chronicle episodes — The cover of the first English DVD compilation released by Funimation Entertainment on May 22, 2007 Tsubasa: Reservoir Chronicle, a manga by Clamp, has been adapted into four different anime versions between 2005 and 2009, including a two season… …
90History of personal computers — This article covers the history of the personal computer. A personal computer is one which is directly used by an individual, as opposed to a mainframe in which the end user s requests are filtered through an operating staff, or a time sharing… …
