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The Bris sextant / ˈ b r iː s /, or Bris Mini-Sextant, is not a sextant proper, but is a small angle-measuring device that can be used for navigation. [ 1 ] [ 2 ] The Bris is, however, a true reflecting instrument which derives its high accuracy from the same principle of double reflection which is fundamental to the octant, the true sextant ...
The frame of a sextant is in the shape of a sector which is approximately 1 ⁄ 6 of a circle (60°), [2] hence its name (sextāns, sextantis is the Latin word for "one sixth"). "). Both smaller and larger instruments are (or were) in use: the octant, quintant (or pentant) and the (doubly reflecting) quadrant [3] span sectors of approximately 1 ⁄ 8 of a circle (45°), 1 ⁄ 5 of a circle (72 ...
Astra (Sanskrit: "Weapon") is an Indian family of all weather beyond-visual-range air-to-air missile, developed by the Defence Research and Development Organisation. Different missiles of this family are capable of engaging targets at varying distances of 500 m (0.31 mi) up to 340 km (210 mi). [ 15 ]
Voilà, the new version of the sextant is ready. The animation is now smoother and a bit simplified. I decided to include the light rays only at the begining and at the end, otherwise the image would be too cluttered. But the sextant is a working replica, i.e., the angles and reflections are all correct. - Alvesgaspar 21:34, 1 November 2006 (UTC)
A diagram of a typical nautical sextant, a tool used in celestial navigation to measure the angle between two objects viewed by means of its optical sight. Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator to accurately determine their actual current physical position in space or on the ...
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The Antardhanastra would make things, people, or entire places disappear. This astra was given to Arjuna by Kubera. Prajnastra: This weapon was used to restore a person's senses and thoughts. It was a good counter to the Sammohana Astra. Warriors like Arjuna and Drona used this astra in war. Sailastra: Vayu
The original 1125 Astra was replaced by the Astra SP, announced in 1989; 37 were built. The third variant, the Astra SPX , flew for the first time in August 1994. This variant was renamed G100 from September 2002 following Gulfstream's acquisition of Galaxy Aerospace , which held the Astra type certificate , in May 2001.
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