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Download OP/IP27 Stars HR life of stars WS
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OP27 HR Diagram Info: HR stands for Hertzsprung-Russell. Directions: Use the HR diagram on page R63 in your textbook to answer the following questions. 1. Where on the temperature scale is the Sun located? _________________________ 2. What is the difference in temperature for white dwarfs compared to red giants? _____________________________________________________________________ 3. What stars have the highest surface temperature? _______________________________ 4. What stars have the lowest surface temperature? ________________________________ 5. List the stars’ color from hottest to coldest: Temperature Directions: Use the illustration on page 465 in your textbook to answer the following questions. 1. Draw and label the order of a low-mass star. Color Hottest 2. Draw and label the order of a high-mass star. Coldest 6. Most of the stars in the diagram are classified as ________________________________ 7. What is the definition of Main Sequence? ______________________________________________________________________ ____________________________________________________________________ _____________________________________________________________________ 8. The Sun is classified as which type of star?___________________________________ 9. Explain the difference of luminosity white dwarfs and blue supergiants and why. ______________________________________________________________________ ______________________________________________________________________ ___________________________________________________________________ 10. Explain the difference of luminosity and how it relates to temperature and size for red dwarfs and blue supergaints. ______________________________________________________________________ ______________________________________________________________________ ___________________________________________________________________ Life Cycle of Stars IP27 3. What kind of star is the Sun, low or high mass? _______________________________ 4. What will the Sun look like in 5 billion years? ________________________________ 5. What will the Sun become at the end of its life? _______________________________ 6. What makes a high mass star become a black hole instead of a neutron star? ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________________ ______________________________________________________________