Young stellar objects

Alternative definitions (1), class: vernacular (0)
Term: Young stellar objects

Any star that has evolved past the protostar stage, but has not yet arrived on the main sequence. There is a variety of YSOs depending on their age, mass, and environment, including Herbig stars, T Tauri stars, and, in general, compact infrared sources embedded in molecular clouds.

Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan