Astronomy 123: Fourth Homework Assignment

The Assignment:

Provide some information in response to the following questions. This is best done by using an Internet search engine and typing in a key word or phrase related to the question.

  1. What was Supernova 1987A and what were some of the things that were learned from it.

  2. What is the most probable origin for the Earth's moon?

  3. Suppose you were arguing with someone about the Age of the Earth and your foe had an intrinsic distrust of science and its methods and so therefore would not believe anything to do with radioactive age dating. Outline what points of "common sense" about the nature of the Earth that you could use to demonstrate that the Earth is geologically old. You might want to consult this reference for some ideas.

  4. What is the current media frenzy about "Life on Mars" all about? How credible is the scientific evidence on which these new claims are being based?

  5. Recently the entire biological community was shaken by a discovery called the "African Eve". What is this discovery and what does it suggest about the origin of Humans?

  6. What are tube worm colonies? Where are they located and what is their significance to the formation of life?