astronomy

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Assignment ONE

 

50-100 words per bulletin

 

  • Describe how these new discoveries compare to the layout of the solar system.
  • State an estimate of how many planets scientists currently believe might be in this galaxy.
  • State an estimate of how many planets may be able to sustain life like Earth can.

 

 

Assignment TWO

 

 

Write a 700- to 875-word paper in which you discuss the science of sunlight and stars. Include the following elements:

 

  • Explain how astronomical instruments help astronomers determine the composition, temperature, speed, and rotation rate of distant objects.
  • Explain the properties of stars in the diagram located in the "What is a Hertzsprung-Russell diagram?" section in Ch. 11 of The Essential Cosmic Perspective.
  • Summarize the complete lifecycle of the Sun, including its nature and properties.
  • Determine where the Sun is in its lifecycle.

 

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    Yhtomit
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