cepheus

Thân thiện

Cepheus is a faint constellation visible in the northern night sky.

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.

Học thuật

Noun

1. a faint constellation in the northern hemisphere near Cassiopeia and the pole star
2. (Greek mythology) king of Ethiopia and husband of Cassiopeia

Từ đồng nghĩa

• cepheus