Characteristics of Stars

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Characteristics of Stars

• Chapter 24 Section 2

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• Stars make up galaxies (giant clusters of stars,
  gases, and dust held together by gravity)
• galaxies make up the universe (all of space and
  everything in it)

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Magnitude of Stars

• Apparent- brightness as seen from Earth

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Magnitude of Stars

• Absolute- brightness if it were at a standard
  distance from Earth

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Hertzsprung-Russell Diagram
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Hertzsprung-Russell Diagram
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Hertzsprung-Russell Diagram
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Where to find these stars?