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
Vega
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Vega is the brightest star in the northern constellation of Lyra. It has the Bayer designation α Lyrae, which is Latinised to Alpha Lyrae and abbreviated Alpha Lyr or α Lyr. This star is relatively cl
Arcturus
…appears to be moving with a group of 52 other such stars, known as the Arcturus stream. With an absolute magnitude of −0.30, Arcturus is, together with Vega and Sirius, one of the most luminous stars in the Sun's neighborhood. It is about 110 times brighter than the Sun in visible light wavelengths, but…
Vega is the brightest star in the constellation of Lyra.
"On the night of July 16–17, 1850, Whipple and Bond made the first daguerreotype of a star (Vega)"
Size comparison of Vega (left) to the Sun (right)
Artist's concept of a recent massive collision of dwarf planet-sized objects that may have contributed to the dust ring around Vega