'Astrophel and Stella' written by Sir Philip Sidney is a/an -

• Astrophel and Stella written by Sir Philip Sidney is a - Sonnet
- It is considered the finest Elizabethan sonnet cycle

- Sir Philip Sidney (1554 - 1586) was one of the most prominent poets of the Elizabethan era.
- Sidney helped to popularize Italian poetic forms such as the sonnet and the villanelle, making them some of the most popular and enduring forms in English poetry.

Source: Britannica and Website Lecture