Summarize the “big bang theory” and discuss its meaning and importance. Explain what is meant by the “expanding universe”. Explain either how the Doppler Effect provides evidence for the expanding universe concept, or, if you believe the universe is contracting, provide evidence and explanation to support your position.

Participation Requirements:

Consult the grading rubric in the Faculty & Course Info section for the grading criteria.

Original discussion board posts:

• Create a thread for your original post identified with your name.
• An average of 350-500 words in length with proper punctuation, capitalization, and grammar.
• Include supportive evidence, such as direct applicable experience and expert sources