chromospheric activity

(kroh-mŏ-sfe -rik) The collection of phenomena displayed by certain types of single and binary stars, including flare stars, RS Canum Venaticorum stars, and T Tauri stars. The phenomena are similar to but usually much more extreme than solar activity, and are thought to require rapid rotation and a deep convective outer envelope. They include mass loss in stellar winds, starspots, rapid solarlike flares, and long-term cycles of activity analogous to the solar cycle (see sunspot cycle).

单词	chromospheric activity
释义	chromospheric activity chromospheric activity (kroh-mŏ-sfe -rik) The collection of phenomena displayed by certain types of single and binary stars, including flare stars, RS Canum Venaticorum stars, and T Tauri stars. The phenomena are similar to but usually much more extreme than solar activity, and are thought to require rapid rotation and a deep convective outer envelope. They include mass loss in stellar winds, starspots, rapid solarlike flares, and long-term cycles of activity analogous to the solar cycle (see sunspot cycle).
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