For each essay, we assign a topic, followed by several questions. Your essay should address the topic, and you should be guided by the questions, but your essay should not be simply a series of answers to the questions. You do not need to answer all the questions, and you may use any format you like, e.g. a fictional story about the disaster caused by an asteroid hitting the earth would be acceptable, if it included the relevant information. The essays are due in lab during the weeks indicated. We strongly suggest that you have a friend read a draft copy of your essay and give you feedback in order to make revisions.
First drafts are unlikely to satisfactorily meet the grading criteria.
Now extend your time horizon to ten thousand years, and discuss the largest impact we are likely to have in that period. Be specific about the probability per year of having such an event occur and what its impact on the Earth's environment would be. Near Earth Objects Program 2. You must show quantitatively that your alternatives are able to produce enough energy to satisfy our current demand.