Arcturus: Facts about the bright red giant star - Space.com
网页2022年2月11日 · 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 stars...
Arcturus Therapeutics is a global late-stage clinical messenger …
网页2024年9月13日 · Arcturus Therapeutics is a global messenger RNA medicines and vaccines company focused on the discovery, development and commercialization of therapeutics for rare diseases and vaccines.
Arcturus Star | Pictures, Location, and the Origin of its Name
网页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 | Brightest Star, Red Giant, Constellation Bootes
网页2024年7月19日 · 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-coloured giant star 36.7 light-years from Earth.
Arcturus - Alpha Boötis – Constellation Guide
网页2014年8月31日 · 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 the northern celestial hemisphere.
Arcturus (α Boo): Star Type, Size, Name, Constellation - Star Facts
网页2023年6月9日 · Arcturus, Alpha Boötis (α Boo), is an orange giant located 36.7 ly from Earth in the constellation Boötes. It is 25.4 times larger and 170 times more luminous than the Sun.
What Is Arcturus? | History, Types, Distance & Traits - My Space …
网页Arcturus holds cross-cultural astronomical prominence. Ancient Asian traditions deemed it a royal celestial body, and navigating sailors named it the “Bear Watcher”. Also, it is home to mythic ancestors in some Native American lore.
Arcturus: The Mysteries of the Red Giant Star - The Old Farmer's …
网页2024年6月28日 · 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 36.7 light-years from Earth. Arcturus’ distinctive reddish hue reflects its …
Arcturus (α Boötis) | Facts, Information, History & Definition
网页January 20, 2020. Arcturus is the brightest star in the constellation of Boötes. It is the fourth-brightest star in the night sky, yet the brightest in the northern celestial hemisphere. Key Facts & Summary.
Arcturus Star Facts (Alpha Bootis) - Universe Guide
网页Arcturus is a massive star located 36.72 light-years from the the Sun in the constellation of Bootes. Arcturus is not as hot as the Sun, which has a rough temperature of about 5,300 to 6,000 k. Arcturus is the fourth brightest star in the sky …
- 某些结果已被删除