Rasalhague, Alpha Ophiuchi #space #universe #astronomy

Rasalhague, Alpha Ophiuchi is a binary star in the constellation of Ophiuchus. It marks the head of the celestial Serpent Bearer, and Rasalhague, in Arabic means "the head of the serpent collector".
Alpha Ophiuchi is a binary star system with an orbital period of about 8.62 years and is radiating about 25 times the luminosity of the Sun.
Rasalhague's main component star, Alpha Ophiuchi 'A' is a rapidly rotating star that is distorted into an oblate spheroid bulging at the equator and hotter at the poles.
The Rasalhague system is 48 lightyears from the Sun.

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