cepheus
Definition
Proper noun 1. A constellation in the northern sky: Cepheus is a faint constellation located in the Northern Hemisphere, near the constellations Cassiopeia and Ursa Minor (which contains the Pole Star, Polaris). It is named after a mythical king. 2. A king in Greek mythology: In Greek mythology, Cepheus was the king of Aethiopia (often translated as Ethiopia), the husband of Queen Cassiopeia, and the father of Andromeda.
Usage Examples
- As a constellation:
- The constellation Cepheus is most visible in the night sky during autumn.
- Astronomers study variable stars within the boundaries of Cepheus.
- In mythology:
- In the myth, King Cepheus was forced to chain his daughter Andromeda to a rock as a sacrifice.
- The story features Cepheus, Cassiopeia, Andromeda, and the hero Perseus.
Advanced Usage
- "Cepheid" or "Cepheid variable": This is a crucial type of variable star used by astronomers to measure cosmic distances. The name derives from the constellation Cepheus, where the first such star, Delta Cephei, was discovered.
- The discovery of Cepheid variables in other galaxies helped prove the universe extends beyond the Milky Way.
Variants and Related Words
- Cepheid (noun): A type of pulsating variable star used as a "standard candle" in astronomy.
- Cepheus's (possessive form): Used to indicate something belonging to the mythological king.
- The story describes Cepheus's kingdom.
Synonyms
- For the constellation: (There are no direct synonyms for proper nouns like constellation names.)
- For the mythological figure: Monarch, ruler, king. (Note: These are general terms, not specific synonyms for the name "Cepheus".)
Related Phrases
- The Royal Family constellations: In astronomy, Cepheus, along with Cassiopeia, Andromeda, Perseus, and Pegasus, is often grouped as part of the "Royal Family" of constellations, all linked by the same Greek myth.
Noun
-
a faint constellation in the northern hemisphere near Cassiopeia and the pole star
-
(Greek mythology) king of Ethiopia and husband of Cassiopeia
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