Explain how astronomers determine composition

Prepare a 1,000 – 1,250 word paper in which you discuss the science of sunlight and stars. Include the following elements:

Explain how astronomers determine composition, temperature, speed, and rotation rate of distant objects.

o Explain the properties of stars in the H-R diagram located in Ch. 15, “What is a Hertzsprung-Russell diagram?” of The Cosmic Perspective.

o Summarize the complete lifecycle of the Sun.

o Determine where the Sun is in its lifecycle.

Utilize at least two outside sources.

Format your paper consistent with APA guidelines.

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