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en.wikipedia.org › wiki › Arcturus
Arcturus isthe brightest star in the northern constellation of Boötes. With an apparent visual magnitude of −0.05,[2] it
isthe third-brightest of the individual stars in the night sky, and the brightest in the northern celestial hemisphere. The name
Arcturusoriginated from ancient Greece; it was then cataloged as α Boötis by Johann Bayer in 1603, which
isLatinized to Alpha Boötis.
Arcturusforms one corner of the Spring Triangle asterism.
DEC 27, 2021star-facts.com › arcturus
Arcturus,Alpha Boötis (α Boo),
isan orange giant located 36.7 ly from Earth in the constellation Boötes. It
is25.4 times larger and 170 times more ...
JAN 20, 2020nineplanets.org › arcturus-α-bootis
Arcturus(α Boötis) Facts
Arcturus,together with Spica and Denebola (Regulus) –
ispart of the Spring Triangle asterism, and by extension, also of the ...
FEB 11, 2022space.com › 22842-arcturus
Arcturus isa red giant star in the Northern Hemisphere of Earth's sky and the brightest star in the constellation Boötes (the herdsman).
britannica.com › place › Arcturus
Arcturus,also called Alpha Boötis, one of the five brightest stars in the night sky, and the brightest star in the northern constellation Boötes, with an ...
constellation-guide.com › arcturus
Arcturus,Alpha Boötis,
isthe brightest star in Boötes constellation and the fourth brightest star in the sky. With an apparent magnitude of -0.04,
Arcturus...
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