Stellar wind

Definition

Stellar wind is a stream of charged particles released from the upper atmosphere of a star. It can significantly influence the surrounding interstellar medium and contribute to star formation processes.

5 Must Know Facts For Your Next Test

1. Stellar winds are composed mainly of protons, electrons, and alpha particles.
2. They play a crucial role in shaping the evolution of stars and planetary systems.
3. The solar wind is an example of stellar wind from our Sun.
4. High-energy stellar winds can strip away planetary atmospheres, affecting habitability.
5. Stellar winds interact with magnetic fields, influencing star formation regions.

Review Questions

• What particles primarily make up stellar wind?
• How do stellar winds affect planetary atmospheres?
• Give an example of stellar wind from a specific star.

Related terms

Interstellar Medium:

The matter and radiation that exist in the space between the star systems in a galaxy.

Solar Wind:

A continuous flow of charged particles from the Sun that permeates the solar system.

Magnetosphere:

The region around a planet dominated by its magnetic field, which deflects most of the solar or stellar wind's charged particles.