Your topic should be addressed in sufficient detail to fully describe the properties of the concepts involved and should be at least three paragraphs with four (4) to five (5) sentences each. The posting should be in your own words with aminimal use of quotes.
Have astronomers found concrete evidence for the existence of extraterrestrial life? If so, describe these discoveries.

HOMEWORK
1. Answer each of the following questions:
(a) When did the Big Bang occur and what was the result?
(b) Is “string theory” a proven scientific theory? Why or why not?
(c) Where does the Strong Nuclear Force come into play?
(d) What is Cosmology?

2. How do we know the Universe is expanding?

3. Provide an explanation for each of the following:
(a) What does the Drake Equation attempt to do?
(b) Is an Organic Molecule a living entity? Why or why not?
(c) Why is the “Water Hole” the best region for communication across the cosmos?

4. What is a supermassive black hole? What observational evidence tell us supermassive black holes can be found at the center of many galaxies?

5. What is an active galaxy? Give examples of different types and how they differ from each other.