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Documents Chapter 21, Section 2 Characteristics of Stars. Distance to Stars Light-year- The distance that...

Chapter 21, Section 2 Characteristics of Stars Distance to Stars Light-year- The distance that light travels in one year, it is about 9.5 trillion kilometers ( that is 9.5…

Documents Stars, Galaxies, and the Universe

Stars, Galaxies, and the Universe Section 1 Tools of Modern Astronomy Constellations: Patterns of stars in the sky. Electromagnetic Radiation Visible light: Light you see…