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variable star
Table of Contents
Introduction References & Edit History Related Topics
Images
illustration depicting the light curve of Algol Cepheid variables Mira Ceti
Quizzes
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
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Galaxy clusters like Abell 2744 can act as a natural cosmic lens, magnifying light from more distant, background objects through gravity. NASA's James Webb Space Telescope may be able to detect light from the first stars in the universe if they are gravitationally lensed by such clusters. (astronomy, space exploration, galaxies)
How Fast Is the Universe Expanding?
Discover
The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)
New Seven Wonders of the World
Town of Sisimiut located on the coast of the Davis Strait on Kangerluarsunnguaq Bay, Greenland
The Largest Islands in the World
United States Electoral College votes by state
How Many Electoral College Votes Does Each U.S. State Have?
The Battle of New Orleans, by E. Percy Moran, c. 1910. Andrew Jackson, War of 1812.
26 Decade-Defining Events in U.S. History
A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
Law legal system crime concept with gavel and scales of justice with books in the background. (mallet, judicial system).
What Are the Differences Between First-, Second-, and Third-Degree Murder?
An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses

variable star: References & Edit History

Article Contributors

Primary Contributors

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Deleted Web site: Society for Popular Astronomy ý Variable Star Section. Jun 04, 2013
Add new Web site: Fact Monster - Science - Variable Star. Dec 16, 2011
Media added. Feb 06, 2009
Article revised and updated. Nov 08, 2007
Article revised and updated. Mar 09, 2007
Article added to new online database. Jul 20, 1998
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