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Astronomy Notes Page 5

Astronomy Notes Page 5. Stars. ©Mark Place, 2009-2010 www.LearnEarthScience.com. What are the main classifications of stars?. Blue Supergiants. Red Giants. Main Sequence. White Dwarfs. Red Dwarfs. ESRTs p15. What two characteristics are used to classify stars?. Luminosity.

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Astronomy Notes Page 5

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  1. Astronomy Notes Page 5 Stars ©Mark Place, 2009-2010 www.LearnEarthScience.com

  2. What are the main classifications of stars? Blue Supergiants Red Giants Main Sequence White Dwarfs Red Dwarfs ESRTs p15

  3. What two characteristics are used to classify stars? Luminosity Temperature ESRTs p15

  4. What type of star is our Sun classified as? ESRTs p15 Main Sequence Circle where it is on the chart

  5. Shade the chart where all of the stars are hotter than our sun. Draw a line on the chart which separates those stars brighter than our sun and those less bright. ESRTs p15

  6. Betelgeuse is Red What color are the stars in the constellation Orion? Rigel is Blue ESRTs p15

  7. How do stars generate their energy? Hydrogen Helium Hydrogen Nuclear Fusion

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