Prepare a 1,500 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.
Explain the properties of stars in the H-R diagram located in Ch. 15, "What is a Hertzsprung-Russell diagram?" of The Cosmic Perspective.
Summarize the complete lifecycle of the Sun.
Determine where the Sun is in its lifecycle.
Utilize at least two outside sources.
Format your paper consistent with APA guidelines.