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HR Diagram Practice

Practice Reading a HR Diagram

QuestionAnswer
What is the diagonal band on the H-R diagram where 90% of all stars are located? Main Sequence
What 3 characteristics are used to classify stars? Size, Temperature and Brightness
Name a yellow supergiant. Canopus or North Star (Polaris)
What is Sirius B’s temperature? 10,000 degrees C
Which is hotter- a red or blue star? blue
Which is brighter, Mira or Betelgeuse? Betelgeuse
Name a yellow main sequence. Sun, Procyon, Alpha Centauri A
What is Rigel's surface temperature? 20,000 degrees C
Name a white, White dwarf. Sirius B
What is the temperature of Canopus. over 6,000 degrees C
Which star if further in its life cycle, the Sun or Sirius B? Sirius B
Name a Red Giant. Betelgeuse
Why are black dwarfs not shown on a HR Diagram? They do not give off any light,
Which is hotter, Sirius B or Antares? Sirius B
Which is brighter, the Sun or Alpha Centauri A? Alpha Centauri A
What property determines how long a star lives and the life cycle of the star? mass
Name the brightest star on your HR Diagram with the lowest surface temperature. Bernard's Star
Name the brightest, hottest star shown on your HR Diagram. Zeta
What it the approximate surface temperature of the Sun? 5,700
Which giant has the highest surface temperature on the HR Diagram? Capella
Created by: lschramme
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