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Learn about the apparent and actual motion of stars, the Doppler Effect, red and blue shifts, parallax, and how astronomers classify stars based on three key characteristics.
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Read Pages 777 - 781 Describe the Apparent and Actual Motion of Stars. What is the Doppler Effect? Define both red and blue shift. Define Parallax and how astronomers use this to determine the distance to a star. What are the three characteristics we use to classify a star?