Hertzsprung-Russell Diagram

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Transcript Hertzsprung-Russell Diagram

Hertzsprung-Russell Diagram
or
Characteristics of Stars
ESRT PAGE 15
• Stars are classified by luminosity,
temperature and size
Luminosity
• Rate at which star emits energy relative to
the
SUN
How does the temperature read
on the diagram?
• Temperatures go from high to low or hot to
cold
What is the luminosity and temperature of Pollux?
90
4500 (K)
Find Eridani B. What stage of its
life is it in?
White
Dwarf
Deneb is a supergiant at what
stage? What will it eventually
become?
List the following in increasing temperature: Sun,
Rigel, Barnard’s Star, Betelgeuse, Sirius
Barnard’s Star,
Betelgeuse,
Sun,
Sirius,
Rigel