Arcturus - Wikipedia
Located relatively close at 36.7 light-years from the Sun, Arcturus is a red giant of spectral type K1.5III—an aging star around 7.1 billion years old that has used up its core hydrogen and …
Arcturus: Facts about the bright red giant star - Space.com
Feb 11, 2022 · Arcturus is a red giant star in the Northern Hemisphere of Earth 's sky and the brightest star in the constellation Boötes (the herdsman). Arcturus is also among the brightest...
Arcturus Star | Pictures, Location, and the Origin of its Name
Arcturus, also known as Alpha Boötis, is one of the brightest stars in the northern hemisphere. In fact, it is the third brightest individual star in the entire night sky behind Sirius and Canopus.
Arcturus (α Boo): Star Type, Size, Name, Constellation | Star Facts
Jun 9, 2023 · Arcturus, Alpha Boötis (α Boo), is a red giant star located 36.7 light-years away in the northern constellation Boötes. With an apparent magnitude of -0.05, it is the brightest star …
Arcturus | Brightest Star, Red Giant, Constellation Bootes
Dec 30, 2024 · Arcturus, the fourth brightest star in the night sky, and the brightest star in the northern constellation Boötes, with an apparent visual magnitude of −0.05. It is an orange …
Arcturus: The Mysteries of the Red Giant Star - The Old Farmer's …
Arcturus is the brightest star in the northern sky, easily visible without a star chart. This brilliant orange-red star, found in the constellation Boötes (boh- OH -teez) the Herdsman, is around …
Arcturus, the brightest star of the northern sky - EarthSky
May 9, 2024 · Arcturus is a red giant star located only 36.7 light-years away. It’s the 4th-brightest star in the sky and the brightest one in the northern half of the sky. Look for it on spring...
7 Facts About Arcturus, the Red Giant Star - HowStuffWorks
Nov 30, 2023 · If you're curious to learn about Arcturus, one of the brightest stars in the night sky, read on for interesting facts on how it can be spotted with the naked eye, fascinating …
Arcturus Star – Facts About The 4th Brightest Star - The Planets
The star Arcturus, also known as Alpha Boötis, is a star in the Boötes constellation in the northern sky. It is the brightest star in Boötes and the fourth brightest star in the night sky, with an …
Arcturus - Alpha Boötis – Constellation Guide
Aug 31, 2014 · Arcturus, Alpha Boötis, is the brightest star in Boötes constellation and the fourth brightest star in the sky. With an apparent magnitude of -0.04, Arcturus is the brightest star in …
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