protosta tagged posts

Young stars and nebulosity in Chamaeleon, a constellation visible predominantly in the southern sky. A new study of young (T-Tauri) stars in this region has determined their ages as being between about five – six million years old, as well as determining other properties. Credit: FORS Team, 8.2-meter VLT Antu, ESO

A newborn star typically goes through 4 stages of adolescence. It begins life as a protostar still enshrouded in its natal molecular cloud, accreting new material and developing a proto-planetary disc. Slowly, stellar winds and radiation blow away the surrounding shell of gas and dust, and the third stage, when the surrounding envelope has cleared, is called the T-Tauri phase...