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.…

How Stars Evolve Pressure and temperature Normal gases Degenerate gases The fate of the Sun Red giant phase Horizontal branch Asymptotic branch Planetary nebula White dwarf…

How do High Mass Stars Die? Class Announcements Homework is due today. Email to me the title of your choice of class project TODAY. Friday there is a class midterm test and…

How Stars Evolve Pressure and temperature Normal gases Degenerate gases The fate of the Sun Red giant phase Horizontal branch Asymptotic branch Planetary nebula White dwarf…

A105 Stars and Galaxies ROOFTOP TONIGHT AT 9 PM HAND IN HOMEWORK Exam coming on Nov. 2 Today’s APOD Upcoming Events Orionid meteor shower peaks Saturday night, view from…

Stellar Evolution The Mass-Luminosity Relation Our goals for learning: How does a starâs mass affect nuclear fusion? How does a starâs mass affect nuclear fusion? Stellar…

A105 Stars and Galaxies ROOFTOP TONIGHT AT 9 PM HAND IN HOMEWORK Exam coming on Nov. 2 Today’s APOD Upcoming Events Orionid meteor shower peaks Saturday night, view from…