1. What factor or characteristic affects the surface temperature of a star?
2. What star color has the highest and lowest temperatures?
3. What is the approximate surface temperature of the Sun? How can you compare it with the temperature of red star?
4. Which is brighter, Sirius B or Rigel? What caused the difference?
5. What is the luminosity value of the sun? What factor affects the luminosity of a star?
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1. What factor or characteristic affects the surface temperature of a star?
2. What star color has the highest and lowest temperatures?
3. What is the approximate surface temperature of the Sun? How can you compare it with the temperature of red star?
4. Which is brighter, Sirius B or Rigel? What caused the difference?
5. What is the luminosity value of the sun? What factor affects the luminosity of a star?
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