Ast 207 F2008 Dec-08Ast 207 F2008Review/Missouri Club—5 Dec• All homeworks have been graded. New provisional grades for students with new homework grades.• Final exam: Wed, Dec 10th, 3:00-5:00, 1410 BPS– Test and answers from 2005 is on the web.– 4 cheat sheets.– See me in BPS 1219 if you have questions.• Please rate your class at– rateyourclass.msu.edu– Open until Friday, 12/12/2008• Fill out Physics-Astronomy survey. Give to student volunteer, not to me.• Review and Missouri Club– Big questions: “Where Do We Come From? What Are We? Where Are WeGoing?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. Ast 207 F2008Test 3• Goal of the class– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • Q1a. The sun will become a giant 5 billion years from now. Will Deneb, a star of spectral class A visible in the summer, be visible then? Explain your reasoning.– Goal? Recurring theme?– Main idea?Ast 207 F2008Test 3• Goal of the class– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • Q1b. The sun will become a planetary nebula. (3 pts.) How has the composition of the material in the outer parts changed from when it was a protostar? (3 pts.) What prevents material in the star in the center of the planetary nebula from fusing?– Goal? Recurring theme?– Main idea?Ast 207 F2008Test 3• Goal of the class– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • Q1d. What is the evidence for the black hole in the center of our galaxy?– Goal? Recurring theme?– Main idea?Ast 207 F2008 Dec-08Ast 207 F2008Test 3• Goal of the class– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • Q2a,b. The box expands with the universe. Draw its contents just before helium formed (at 3 minutes, when the expansion parameter is 2.3×10-9). What is the temperature of the radiation in the box?– Goal? Recurring theme?– Main idea?Ast 207 F2008Test 3• Goal of the class– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • Q3a. NGC3672. If this galaxy were moved to twice the distance, how and by how much would the speeds in lower plot change?– Goal? Recurring theme?– Main idea?Ast 207 F2008Test 3• Goal of the class– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • Q3a. NGC3672. If this galaxy had twice as much mass, how and by how much would the speeds in the upper plot change?– Goal? Recurring theme?– Main idea?Ast 207 F2008Identifying big questions & main ideas from syllabus– Big questions: “Where Do We Come From? What Are We? Where Are We Going?”– Recurring theme: How was a discovery made? Interpret the data from which a discovery was made. • For Nov 17, 19, 21, & Dec 1, identify the big questions, the application of the recurring theme, and the main
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