Alpha Ophiuci

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October 22, 2009 – 6:33 pm

Alpha Ophiuci(α Ophiuci) este cea mai stralucitoare stea din constelatia Ophiucus. A fost traditional denumita Ras Alhague.

Ras Alhague are o magnitudine aparenta de +2.08, fiind o stea de tip A, aflata la 45 ani-lumina de Pamant.

Numele de Ras Alhague vine din araba, unde رأس الحية (raʾs al-ḥayyah) inseamna “Capul vrajitorului de serpi”.

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