ASTRO 801
Planets, Stars, Galaxies, and the Universe

Overview

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About Lesson 6

It really can't be said enough: HR diagrams are incredibly useful tools when studying stars. When we first studied HR diagrams, we identified different classes of stars—including white dwarfs, red giants, and main sequence stars—based solely on their inferred properties (e.g., radii). In this lesson, we are going to connect these different classes of stars with a single evolutionary track to continue in our pursuit of the story of stellar evolution. We will describe the physical changes going on within these stars that cause the observable changes reflected in their location in the HR diagram.

What will we learn in Lesson 6?

By the end of Lesson 6, you should be able to:

  • Qualitatively describe the process of evolution for both low mass and high mass stars;
  • Compare and contrast the stellar remnants of high and low mass stars;
  • Describe the difference between variable stars and non-variable stars.

What is due for Lesson 6?

Lesson 6 will take us one week to complete.

Please refer to the Calendar in Canvas for specific time frames and due dates.

There are a number of required activities in this lesson. The chart below provides an overview of those activities that must be submitted for Lesson 6. For assignment details, refer to the lesson page noted.

Lesson 6 Requirements
Requirement Submitting your work
Lesson 6 Quiz Your score on this quiz will count towards your overall quiz average.
Discussion: Black Holes Participate in the Canvas Discussion Forum: "Black Holes".

Questions?

If you have any questions, please post them to the General Questions and Discussion forum (not email). I will check that discussion forum daily to respond. While you are there, feel free to post your own responses if you, too, are able to help out a classmate.