Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Arcturus
Table of Contents
Introduction References & Edit History Related Topics
Quizzes
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
The orbits of the planets and other elements of the solar system, including asteroids, Kuiper belt, Oort cloud, comet
Space Odyssey
Ursa major constellation illustration art. (Big Dipper) stars, space, night sky)
Stars: Explosions in Space
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
Brightest Star in the Solar System
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy
Related Questions
Read Next
Colorful winter sunset
What's the Difference Between a Solstice and an Equinox?
1 July 2002: The Solar and Heliospheric Observatory (SOHO) satellite reveals a massive solar eruption more than 30 times the Earth's diameter. The eruption formed when a loop of a magnetic field over the surface of the Sun trapped hot gas.
6 Questions About the Sun Answered
Infinite space background with silhouette of telescope. This image elements furnished by NASA.
Telescopes: Seeing Stars
M17, the Swan Nebula, is a star-making cloud in the constellation Sagittarius.
How Do We Know How Far Away the Stars Are?
Discover
Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.
12 Greek Gods and Goddesses
World Data Locator Map: Australia
Is Australia an Island?
Happy, smiling, flying pig
7 Everyday English Idioms and Where They Come From
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland
The Largest Islands in the World
David Cameron. President Barack Obama and Prime Minister David Cameron of the United Kingdom talk during the G8 Summit at the Lough Erne Resort in Enniskillen, Northern Ireland, June 17, 2013
What’s the Difference Between a President and a Prime Minister?
United States Electoral College votes by state
How Many Electoral College Votes Does Each U.S. State Have?

Arcturus: References & Edit History

Article Contributors

Primary Contributors

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Add new Web site: IOPscience - The Extragalactic Origin of the Arcturus Group (PDF). Dec 30, 2024
Add new Web site: CiteSeerX - The limb-darkened Arcturus: imaging with the IOTA/IONIC interferometer. Nov 07, 2024
Add new Web site: University of Chicago Library - Arcturus. Jul 19, 2024
Link added. Jun 10, 2024
Add new Web site: University of Florida - George A. Smathers Library - Arcturus, or, The Bright Star in Bootes. May 18, 2024
Add new Web site: The Nine Planets - Arcturus (α Boötis) Facts. Nov 03, 2023
Changed “one of the five brightest stars” to “the fourth brightest star.” Sep 09, 2023
Add new Web site: The Planets - Arcturus Star – Facts About The 4th Brightest Star. Jun 02, 2023
Add new Web site: Sky & Telescope - Meet Arcturus: Guardian of the Bear. Mar 10, 2023
Add new Web site: Space.com - Arcturus: Facts About the Bright Red Giant Star. May 17, 2019
Add new Web site: h2g2 - Arcturus - the Star. Sep 20, 2016
Article revised and updated. Feb 18, 2009
Article revised and updated. Mar 09, 2007
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: