Slide 1ASTR100 (Spring 2008) Introduction to Astronomy Life as a Low-mass Star Prof. D.C. Richardson Sections 0101-0106 Slide 2 What are the life stages of a low- mass star?…

Slide 1Life as a Low-mass Star Slide 2 What are the life stages of a low- mass star? Slide 3 A star remains on the main sequence as long as it can fuse hydrogen into helium…

Slide 1 Life as a Low-Mass Star What are the life stages of a low-mass star? How does a low-mass star die? Slide 2 Before we begin lets have some revision questions on how…

Slide 1 Life Track After Main Sequence Observations of star clusters show that a star becomes larger, redder, and more luminous after its time on the main sequence is over.…

Leaving the Main Sequence The core begins to collapse H shell heats up and H fusion begins there there is less gravity from above to balance this pressure so the outer layers…