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Mk VIII Bubble sextant in use on a Short Sunderland. Isaac Newton developed the quadrant. The octant was a further improvement. It could measure altitudes of up to 90° above the horizon. The first bubble instruments, which were developed by Gago Coutinho, were bubble sextants that copied the features of an ordinary sextant.
Astra Space, Inc., formerly known as Ventions, LLC from 2005 - 2016, is an American space company based in Alameda, California, with facilities in Sunnyvale, California and Atwater, California. The company was initially an aerospace technology research firm that focused on SBIR contracts, developing small rocket engines for use on launch ...
Ventions, the predecessor to Astra, had developed an air-launched orbital launch system for the SALVO program. Development of an electric-pump-fed rocket engine, later known as Delphin, took place as part of SALVO in 2012. [5] In 2016, Ventions was re-incorporated as Astra, under the ownership of Chris Kemp. The reorganized company proceeded to ...
The Pioneer Instrument Company was started by Morris Maxey Titterington and Brice Herbert Goldsborough in Brooklyn, New York in 1919 using patents from the Lawrence Sperry Aircraft Corporation. [2] [3] Charles Herbert Colvin was the president. They specialized in aeronautical instruments including a bubble sextant and the Earth Inductor Compass.
The Black Chord is an album by American progressive rock band Astra. It is their second album, released in the United States on March 27, 2012 on Metal Blade Records , and on April 16 in the United Kingdom on the independent label Rise Above Records .
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 ...
The Ad Astra Rocket Company, a U.S. Delaware corporation, is a rocket propulsion company dedicated to the development of advanced plasma rocket propulsion technology. Located in Webster, Texas , three miles away from NASA 's Johnson Space Center , and Liberia, Costa Rica, the company was incorporated on January 14, 2005.
Astra: STP-27AD1 U.S. Space Force: Low Earth: Flight test: 28 August: Launch failure Third Rocket 3 orbital launch attempt and first Rocket 3 commercial flight. Vehicle also known as Rocket 3.3, which became the standard configuration used for subsequent Rocket 3 launches. [47]