Year: 2025
Type: article
Abstract: This research article explores the pivotal role of stellar winds streams of charged particles ejected from stars in shaping galactic evolution and star formation processes. Stellar winds significantly influence the interstellar medium (ISM) by injecting energy and momentum, thereby altering the thermal and dynamical state of the gas. This study synthesizes recent findings on the interaction between stellar winds and the ISM, emphasizing their critical role in regulating star formation rates, driving galactic outflows, and contributing to the chemical enrichment of galaxies. Through a comprehensive approach that integrates observational data, numerical simulations, and theoretical models, we investigate how stellar winds from massive stars, supernovae, and other stellar phenomena interact with their environments. The results indicate that stellar winds profoundly affect the lifecycle of gas within galaxies, influencing the formation of new stars and the overall evolution of galactic structures. Specifically, the energy and momentum imparted by stellar winds can compress nearby gas clouds, triggering their collapse and leading to enhanced star formation, particularly in starburst galaxies. Additionally, stellar winds drive galactic outflows, expelling gas and metals from galaxies, which has significant implications for their mass and metallicity. The material ejected by stellar winds enriches the ISM with heavy elements produced during stellar nucleosynthesis, thereby shaping the chemical evolution of galaxies. This research underscores the necessity of incorporating stellar wind effects into models of galaxy formation and evolution, as they play a crucial role in the intricate interplay between stellar activity and galactic dynamics. By leveraging advancements in observational techniques and computational astrophysics, this study aims to enhance our understanding of the complex mechanisms through which stellar winds influence cosmic evolution. Ultimately, the findings highlight the importance of stellar winds as fundamental components in the broader context of astrophysical processes, providing insights into the dynamic interplay that governs the evolution of galaxies.
Author: Diriba Tolasa
Institution: Asossa University
Language: English
Subfield: Astronomy and Astrophysics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: diamond
OpenAlex ID: W4410146398