Arcturus
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Arcturus is a red giant star in the northern constellation of Boötes, and the brightest star in the constellation. It has the Bayer designation α Boötis, which is Latinized to Alpha Boötis and abbrevi
Arcturus is the brightest star in the constellation of Boötes.
Size comparison between the Sun, Beta Ursae Majoris, Pollux, and Arcturus
Arcturus next to the head of Comet Donati in 1858
Arcturus in Arctophylax, seen between his knees
Antares
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Antares is the brightest star in the constellation of Scorpius. It has the Bayer designation α Scorpii, which is Latinised to Alpha Scorpii. Often referred to as "the heart of the scorpion", Antares i
Antares between τ (lower left) and σ Scorpii; Antares appears white in this WISE false-colour infrared image.
Antares near the Sun on 30 November 2012
VLTI reconstructed view of the surface of Antares A
Antares seen from the ground. The very bright star towards the upper left corner of the frame is Antares.