Slide 130.1 notes Characteristics of Stars Std 1d: Know the evidence indicating that the planets are much closer to Earth than the stars are. Std 2d: Know that stars differ…

Slide 1Chapter 11 Stars Properties of Stars Classifying Stars –Hertzsprung-Russel (H-R) Diagram Star Clusters –Open and Globular Clusters Slide 2 Properties of Stars…

Slide 1Ch 30-Stars, Galaxies, and the Universe Objectives – How astronomers determine the composition and temperature of stars – Why do stars appear to move in the sky…

1.Chapter27—Stars and Galaxies2. What is a Star? Star: A body of gas that gives off a tremendous amount of radiant energy in the form of light and heat 3. How Do We Know?…

1.Prentice Hall EARTH SCIENCE Tarbuck Lutgens2. Chapter 25 Beyond OurSolar System 3. 25.1 Properties of Stars Star Color and Temperature •Color is a clue to a star’s…

1.Star:  Ball of gases that gives off a tremendous amount of electromagnetic energy created by nuclear fusion within the star 2. Analyzing Starlight: a) The composition/temperature…

1.25.1 Properties of Stars 2. ConstellationAn apparent group of stars originally named for mythical characters. There are 88 constellations dividing up the sky. 3. Binary…

1.Hertzsprung–Russell diagram LACC §16.2 16.3, 17.4 • Spectral Classes • Luminosity Classes • distribution; masses & lifetimes An attempt to answer the “big…

1.Typical Stellar EvolutionLACC §: 20.2, 21.4, 21.5 • Red Giant Branch• Horizontal Giant Branch• Asymptotic Giant Branch An attempt to answer the “big questions”:…

1.Study and Comparison of H-R Diagrams of Open Clusters 2. What is a star cluster/star clouds? • A group of stars • Can be distinguished into two types: -Globular Cluster…