File:Sirius o Sirio.jpg

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Español: SIRIUS.

La estrella SIRIO o SIRIUS (Alfa Canis Major) se encuentra a 8 años luz de distancia del Sol siendo la más brillante de los dos hemisferios celestes.

Su significado proviene del griego: "la ardiente, o la refulgente" con una magnitud aparente de -1,46. Es una estrella blanca y tiene una compañera enana blanca a unos 6" de separación.

También se la llamó por los griegos κύων (kion, perro), Sotis por los egipcios, o por los árabes como Al Shi'ra al Abur al Yamaniyyah, que significa la estrella brillante del paso por el Yemen (al ponerse indica esa región).

Los árabes llamaron a esta constelación como Al Kalb al Akbar (el perro grande) o Al Kalb al Jabbar (el perro grande de Orión).

Tomada con mi telescopio reflector URANO 100, espejo primario de 10 cms. de abertura, 1 mt. de distancia focal, ocular de 14 mm (72 aumentos) y cámara CyberShot de 11 Mpx.

Constelación de CANIS MAJOR

https://www.facebook.com/photo.php?fbid=422720064455021&set=a.243034699090226.61935.130803233646707&type=3&theater
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Author Fernando de Gorocica

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current20:32, 19 May 2014Thumbnail for version as of 20:32, 19 May 20142,048 × 1,473 (91 KB)Fernando de Gorocica (talk | contribs)User created page with UploadWizard

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