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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.