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Understanding the Hertzsprung-Russell Diagram: Key Concepts and Study Guide

This agenda outlines the objective of analyzing and creating the Hertzsprung-Russell (H-R) Diagram. We will review a star video, take notes on the H-R Diagram, and examine the corresponding graph. Students are expected to read textbook pages 789-792 and answer questions 1-7 in preparation for the upcoming test on Thursday. The H-R Diagram illustrates the relationship between a star's surface temperature and absolute magnitude, aiding in the study of stellar evolution. Key stellar classifications include Main Sequence, Giants, Supergiants, and White Dwarfs.

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Understanding the Hertzsprung-Russell Diagram: Key Concepts and Study Guide

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Presentation Transcript

  1. December 19,2011

  2. Objective Agenda • Analyze and create the H-R Diagram • Star Video • H-R Diagram notes ( 1 slide to write down) • H-R Diagram Graph • Textbook pages 789-792 questions 1-7 • TEST IS THURSDAY

  3. Hertzprung-Russell Diagram • Shows the relationship between a star’s surface temperature and absolute magnitude • Used to study the lives of stars • Most stars lie along the main sequence portion of the diagram

  4. Question 1 • What kind of a star is the sun?

  5. Answer • Main Sequence

  6. Question 2 • What is the H-R diagram?

  7. Answer • A graph that shows the relationship between a star’s temperature and absolute magnitude

  8. Question 3 • What are the four main types of stars?

  9. Answer • Main-Sequence • Giants and Supergiants • White Dwarfs

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