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Constellation
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Constellation Finder tool displaying labeled constellations in the Northern Hemisphere, with a circular star map and search options on the left. Circular astronomical map of the northern sky showing major constellations, with constellation names and star patterns marked. The outer edge is labeled with months to indicate when constellations are visible at night throughout the year. Circular astronomical map of the southern sky showing major constellations, with constellation boundaries and star patterns marked. The outer ring is labeled with months to indicate which constellations are visible at different times of year.
Night sky with constellation lines drawn over stars, highlighting Ursa Major, the Big Dipper, and Orion above a dark landscape with silhouetted trees.
Star chart in German showing constellations and celestial coordinates in a circular pattern, with white dots for stars on a blue background and constellation names labeled.
Engraved star map from Bode's 1801 Uranographia showing the constellations Indus, Grus, and Pavo with illustrated mythological figures and labeled stars.
Quizzes
constellation virgo, astronomy
Constellations of the Zodiac and Their Signs Quiz
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
Related Questions

Constellation: References & Edit History

Article Contributors

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Article title updated for style. Nov 10, 2026
Modified link of Web site: Live Science - Why are some constellations visible for only part of the year? Jun 08, 2026
Article revised and updated. May 05, 2026
Add new Web site: Physics LibreTexts - Constellations and the Night Sky. Apr 27, 2026
Add new Web site: Space.com - Constellations of the western zodiac. Mar 20, 2026
Add new Web site: Royal Museums Greenwich - What are constellations? Jan 05, 2026
Corrected display issue. Oct 03, 2025
Add new Web site: Gresham College - The Origin of the Constellations. Jul 21, 2025
Added a “Did you know…?” section. Jun 02, 2025
Add new Web site: Chandra X-Ray Observatory - Introduction to Constellations. Apr 15, 2025
Add new Web site: International Astronomical Union - The Constellations. Dec 11, 2024
Added the section Want to learn more? Oct 08, 2024
Add new Web site: CORE - Using Problem-Based Learning: New Constellations for the 21st Century. Sep 14, 2024
Add new Web site: National Center for Biotechnology Information - PubMed Central - The network signature of constellation line figures. Jul 30, 2024
Add new Web site: Nature - The impact of satellite constellations on space as an ancestral global commons. Jun 17, 2024
Add new Web site: Academia - Asterism and Constellation: Terminological Dilemmas. Mar 05, 2024
Add new Web site: Sky and Telescope - Constellation Names and Abbreviations. Jan 01, 2024
Add new Web site: The Nine Planets - What is a Constellation? Nov 14, 2023
Add new Web site: Gresham College - The Origin of the Constellations. Sep 04, 2023
Add new Web site: The Planets - Constellations. Jun 25, 2023
Add new Web site: Lunar and Planetary Institute - Education - Sky Tellers - About Constellations. May 14, 2023
Add new Web site: Live Science - Why are some constellations visible for only part of the year? Jan 02, 2023
Media added. Jun 14, 2022
Add new Web site: NASA Space Place - What Are Constellations? Apr 22, 2022
Removed “in tracking artificial satellites and.” Changed “Euphratean” to “Mesopotamian.” Apr 14, 2021
Add new Web site: Cosmos - Constellation. Feb 07, 2021
Add new Web site: Space Dictionary - What is a constellation? Jun 15, 2019
Add new Web site: Space.com - Constellations of the western zodiac. Jun 15, 2019
Add new Web site: ThoughtCo. - The Story of the Constellations in the Sky. Jan 14, 2018
Add new Web site: Kid's Cosmos - Constellations. Oct 10, 2017
Add new Web site: PlanetFacts.org - Constellations. May 03, 2017
Media added. Apr 13, 2016
Add new Web site: Museum Victoria - Constellations. Jan 13, 2014
Add new Web site: Buzzle.com - Constellations for Kids. Aug 19, 2010
Added new Web site: Window To The Universe - Constellations. May 12, 2009
Article revised and updated. Sep 05, 2008
Added new Web site: Office of Naval Research - Observing the Sky: Constellations - Introduction. May 19, 2008
Added new Web site: Western Washington University - Greek Constellations. Feb 03, 2008
Added new Web site: ThinkQuest - Constellations. Feb 03, 2008
Added new Web site: EnchantedLearning - Constellation. Jan 28, 2008
Added new Web site: Munich Astro Archiv Constellation Pages - Constellations. Sep 28, 2006
Added new Web site: PBS Online - Constellations Guide the Way. Sep 26, 2006
Added new Web site: University of Tennessee - Astronomy 161: The Solar System. Jun 30, 2006
Added new Web site: The Constellations and Their Stars. Jun 11, 2006
Article added to new online database. Jul 20, 1998
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