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- A galactic quadrant, or quadrant of the Galaxy, is one of four circular sectors in the division of the Milky Way Galaxy. In actual astronomical practice...11 KB (911 words) - 12:34, 31 May 2024
- Mural quadrants were important astronomical instruments in 18th-century European observatories, establishing a use for positional astronomy. The term...23 KB (2,881 words) - 03:39, 26 April 2024
- List of Star Trek regions of space (redirect from Alpha Quadrant)system of quadrants used by non-fictional astronomers. However, rather than have the perpendicular axis run through the Sun, as is done in astronomy, the Star...32 KB (4,091 words) - 15:43, 19 July 2024
- Medieval Islamic astronomy comprises the astronomical developments made in the Islamic world, particularly during the Islamic Golden Age (9th–13th centuries)...69 KB (7,871 words) - 11:25, 23 August 2024
- Backstaff (redirect from Back-quadrant)backstaffs. Only the Davis quadrant remains dominant in the history of navigation instruments. Indeed, the Davis quadrant is essentially synonymous with...18 KB (2,473 words) - 20:41, 8 October 2023
- Egyptian astronomy started in prehistoric times, in the Predynastic Period. In the 5th millennium BCE, the stone circles at Nabta Playa may have made...19 KB (2,208 words) - 15:04, 20 August 2024
- Constellation family (redirect from Heavenly Waters (astronomy))to the Heavenly Waters group.) Star portal List of constellations Quadrant (astronomy) Donald H. Menzel (1975). A Field Guide to the Stars and Planets...10 KB (1,074 words) - 23:06, 14 April 2023
- Mural instrument (redirect from Mural quadrant)It rose to prominence in the field of positional astronomy at this time. Many older mural quadrants have been constructed by marking directly on the wall...6 KB (706 words) - 23:22, 10 January 2024
- Milky Way (redirect from Milky Way (astronomy))L. V. (April 2004). "Far-infrared loops in the 2nd Galactic Quadrant" (PDF). Astronomy and Astrophysics. 418: 131–141. arXiv:astro-ph/0401303. Bibcode:2004A&A...211 KB (21,097 words) - 17:36, 22 August 2024
- astronomy. For example, the samrāt.-yantra (emperor instrument) is a huge sundial which consists of a triangular gnomon wall and a pair of quadrants toward...69 KB (7,814 words) - 13:31, 31 August 2024
- uranography, the modern constellation Lyra is located within the northern quadrant of the sky, which is symbolized as the Black Tortoise of the North (北方玄武...5 KB (131 words) - 12:31, 14 May 2023
- Octant (instrument) (redirect from Hadley's quadrant)The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation. The name octant derives from the Latin octans meaning eighth...24 KB (3,035 words) - 05:39, 6 May 2024
- Tycho Brahe (redirect from Tycho's observational astronomy)of astronomy. Uraniborg was one of the most advanced observatories of its time, equipped with several astronomical instruments, including quadrant instruments...98 KB (12,518 words) - 02:08, 1 September 2024
- Astronomy is the oldest of the natural sciences, dating back to antiquity, with its origins in the religious, mythological, cosmological, calendrical...82 KB (10,088 words) - 06:32, 25 August 2024
- List of astronomical instruments (redirect from Astronomy instruments)for measuring incident electromagnetic radiation Canterbury Astrolabe Quadrant – Medieval astrolabe found in England Celatone – Navigational aid reliant...3 KB (554 words) - 07:44, 28 August 2024
- uranography, the modern constellation Monoceros is located within the southern quadrant of the sky, which is symbolized as the Vermillion Bird of the South (南方朱雀...2 KB (98 words) - 07:53, 22 August 2024
- A sine quadrant (Arabic: الربع المجيب, romanized: rub‘ul mujayyab), sometimes known as a "sinecal quadrant", was a type of quadrant used by medieval...8 KB (947 words) - 06:14, 29 May 2023
- Edmund Gunter (redirect from Gunter's quadrant)contributions, which include the invention of the Gunter's chain, the Gunter's quadrant, and the Gunter's scale. In 1620, he invented the first successful analogue...10 KB (1,261 words) - 22:30, 9 November 2023
- Ancient Greek astronomy is the astronomy written in the Greek language during classical antiquity. Greek astronomy is understood to include the Ancient...33 KB (4,192 words) - 12:27, 23 August 2024
- measuring the harmony of the heavens". It consists of 13 architectural astronomy instruments. The site is one of five built by Maharaja Jai Singh II of...11 KB (1,159 words) - 21:42, 20 August 2024
- Britannica, Volume 2 Astronomy by Simon Newcomb and Agnes Mary Clerke 4812331911 Encyclopædia Britannica, Volume 2 — AstronomySimon Newcomb and Agnes
- halved, its distance from the sun is then less than a quadrant by one-thirtieth of a quadrant. 5. That the breadth of the (earth's) shadow is (that)
- stars. Lower main sequence of globular clusters and halo field stars. Astronomy and Astrophysics 327: 1054. M. S. Oey, C. J. Clarke (2005). Statistical