Solved Worksheet: H-R Diagram Name Date Period Table Use The

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4. Worksheet: H-R Diagram Name Date Period Table Use the diagram to the right to answer the following: Most stars belong to this category 1. The Hertzsprung-Russell Dlagram Blue or White Yellow Red. Red blue-white orange Rigel Supergiants Deneb Zeta Betelgeuse North Star (Polaris Eridani Antares Spica Canopus Main sequence Aldebaran Regulus Algol Vega Mizar

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  14. Stars Alpha Centauri and Aldebaran have different colors, with different surface temperatures.

  Explanation:

  Alpha ...

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Transcribed image text: Worksheet: H-R Diagram Name Date Period Table Use the diagram to the right to answer the following: Most stars belong to this category 1. The Hertzsprung-Russell Dlagram Blue or White Yellow Red. Red blue-white orange Rigel Supergiants Deneb Zeta Betelgeuse North Star (Polaris Eridani Antares Spica Canopus Main sequence Aldebaran Regulus Algol Vega Mizar Arcturus Mira Sirius Procyon Polux Glants Alcor Alpha Centauri A Which star is the brightest white dwarf? Capela Absolute Magnitude (Brightness) Sun , faw Coti Which star is hottest supergiant? 3. What color is Deneb? Increasing Alpha Centaur N Sirius B Epsion Eridani White dwarta Bernard's star • Procyon B . Van Manon's star 20,000 10,000 6600 6000 5000 3000 Average Surface Temperature (°C) Inoroosing What temperature is Sirius B? 5. 50,000 6. This star is a red Giant. 7. What temperature is Bernard's Star? 8. Which star is the dimmest (least bright) on the chart? 9. What category is the hottest star on the chart? 10. What color are the coolest stars? 11. What category of stars is hot but not very luminous? 12. If you know a stars color, you can determine it's 13a. The H-R Diagram is based on what two criteria? 13b. Looking at the Main Sequence category, state a relationship between these two criteria: 14. Part 1: Areas on the H-R diagram For the following circle the name of the area on the H-R diagram where you would find each type of star. If more than one word describes the area, for example the top right comer, circle both words. 1. bright stars: top bottom left right center 2. hot stars: bottom left right center 3. hot bright stars: top bottom left right center 4. cool dim stars: top bottom left right center 5. sun - like stars: bottom left right center (type G main sequence) top top Part 2: Getting Information from the H-R Diagram 13. Stars Zeta Eridani and Betelgeuse have the same brightness. Does this mean they are the same temperature? Why or why not? 14. Stars Alpha Centauri B and Aldebaran have the same color. Does this mean they are the same temperature? Why or why not? 15. What is different about Aldebaran that allows it to be the same color as Alpha Centauri B but as bright as Regulus? Explain. 16. How can Sirius B be as hot as Daneb, but so dim? 17. What will happen to Sirius B as it continues to cool oft? Why? Draw an arrow on the H- R diagram to show this change.