Arcturus is the main star in the constellation Bootes, located in the northern celestial hemisphere. It is a bright red giant approximately 36.7 light-years from Earth. The name Arcturus translates to "guardian of the bear," reflecting its proximity to Ursa Major and Ursa Minor. ;
Arcturus is the main star in the constellation Bootes, known for being one of the brightest stars visible from Earth. Its name means 'guardian of the bear' in Greek, indicating its position relative to other constellations. Thus, the correct answer is Bootes.
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