The son of Zeus and Danae, a hero celebrated for many achievements. He cut off the head of the gorgon Medusa and gave it to Athene; he also rescued and married Andromeda, and became king of the ancient city of Tiryns in Greece.
A large northern constellation which includes a dense part of the Milky Way. It contains several star clusters and the variable star Algol.
- 2.1as genitive Persei /-sɪʌɪ/ Used with preceding letter or numeral to designate a star in this constellation.‘the star Delta Persei’
- 2.1as genitive Persei /-sɪʌɪ/ Used with preceding letter or numeral to designate a star in this constellation.
We take a look at several popular, though confusing, punctuation marks.