Stellar evolution refers to the series of changes that a star undergoes throughout its life cycle, from its formation to its eventual death. In poetry, stellar evolution can symbolize growth, transformation, and the passage of time, inviting reflections on the cycles of life and the inevitability of change. This concept encourages poets to explore the parallels between the life of a star and the human experience, illustrating how both are marked by stages of development, challenges, and the potential for rebirth and renewal.

Stellar evolution is the process by which a star changes over time, influenced by its mass and composition. This journey begins with a star's formation from a molecular cloud and progresses through various stages, including main sequence, red giant, and potentially supernova or white dwarf phases. Understanding stellar evolution is essential for grasping the life cycles of stars and their impact on the universe, including the formation of elements through nucleosynthesis. Related concepts include Hertzsprung-Russell diagrams and the life cycles of different types of stars.