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Sagittario A*

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Sagittario A* es le supermassive foramine nigre (abbreviate Sgr A*) al centro galactic del Via Lactee. Es locate proxime del frontiera del constellationes Sagittario e Scorpion, circa 5.6° al sud del ecliptica, visualmente proxime del Racemo del Papilion (M6) e de Shaula (Lambda Scorpii).

Le formation de stella a proximitate del foramine nigre non es possibile. Stellas observate orbitante a su proximitate provenirea del exterior del galaxia. Per exemple, le stella SO-6 haberea un etate de 10 Ga (milliardos de annos) e su composition chimic es similar a isto de stellas de parve galaxias como le Parve Nube de Magellano o le galaxia nan elliptic del Sagittario.[1][2]

Referentias

[modificar fonte]
  1. Adrien (16/12/2023). S0-6: un visiteur d'une autre galaxie observé au cœur de la Voie Lactée (francese). Techno-Science.net..
  2. Shogo NISHIYAMA, Tomohiro KARA, Brian THORSBRO, Hiromi SAIDA, Yohsuke TAKAMORI, Masaaki TAKAHASHI, Takayuki OHGAMI, Kohei ICHIKAWA & Rainer SCHÖDEL (2023-12-01). "Origin of an orbiting star around the galactic supermassive black hole". Proceedings of the Japan Academy, Series B. doi:10.2183/pjab.100.007. 
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