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AY 3 :Introduction to Astronomy: The Solar System

AY 3 :Introduction to Astronomy: The Solar System. general info: corsica3.ucsc.edu/~lin/AY3. Textbook: The Cosmic Perspective. The Solar System Bennett, Donahue, Schneider, Voit , Addison-Wesley Clicker: will be used in every class. Available in

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AY 3 :Introduction to Astronomy: The Solar System

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  1. AY 3:Introduction to Astronomy:The Solar System general info: corsica3.ucsc.edu/~lin/AY3

  2. Textbook: The Cosmic Perspective. The Solar System Bennett, Donahue, Schneider, Voit, Addison-Wesley Clicker: will be used in every class. Available in Baytree bookstore or with iphone. Need to register. Instructor: Doug LIN (lin@ucolick.org, 831-459-2732) Office hours: 3-4pm Mondays, 11-12pm Thursdays 337 Interdisciplinary Science building TA 1: Lin JIN (ljin7@ucsc.edu, 831-419-1512) Office hours: 4:50-5:50pm Tue., 12:50-1:50pm Thursdays. Baskin Engineering 224 TA2: Jinbo ZHU (jinbo@soe.ucsc.edu, 831-332-6253) Office hours: 1-2pm Tuesdays, 3-4pm Wednesdays Engineering 2- 386

  3. Learning Support Service Tutor: Brandon L Day (blday@ucsc.edu, 818-319-5975) LSS, account registration and sign up required. Mon 3:45-4:45, Tue 4:15-5:15pm, Thur 4:15-5:15pm Class times: 6-7:45pm Tuesdays and Thursdays Class location: Thieman 3 Section time: 2-3:10pm Thursdays, Lin JIN Engineering 2-194 4:00-5:10 pm Thursday, Lin JIN Oaks 106 9:30-10:40am Wed Jinbo ZHU, NatSciAnnex 101 11am-12:10pm Wed Jinbo ZHU, NatSciAnnex 101 Homeworks: Assigned on Thursday, due a week later

  4. Midterm exam: 6-7:45pm Thursday Feb 4th, Thieman 3 Final exam: 4-7pm Monday March 14th,Thieman 3 Accumulative Evalution: Homework (15%), quiz (15%), midterm exam (30%), final exam (40%) Participation in BOTH exams is necessary to pass. Mathematical analysis is required for this course. Study guide, useful formulae, past exams are online. Review sections will be held before the exams.

  5. Philosophy • Understanding the process of scientific methodology. • To learn some astronomy with regard to the roots of planets, • stars, & life. • To satisfy the general education and math requirements. Main topics • Space-time structure in the Universe • Forces of Nature • Properties and utilization of light • Formation of planets • Structure and atmosphere of terrestrial planets • Gas giant planets and their satellites • Interplanetary matter • Geological & biological evolution on Earth • 9. Extrasolar planets

  6. Lecture 1: an overview Our place in the Universe

  7. Home sweet home: the Earth

  8. Once habitable environments Condition which harbors life Liquid water! Ocean below the ice surface on Europa Salt deposit on Marsian rocks: dried up lake. The Planetary habitat: our Solar System

  9. Worlds beyond imagination 100 billion stars

  10. powers of ten

  11. Vast range of length scales 1 Astronomical unit = distance from the Earth to the Sun =150,000,000km 1 light year = speed of light x 1 yr = 9,460,000,000,000 km

  12. Life cycle of starsFrom gas to stars to gas Red giants Planetary nebula Young stars Main sequence Interstellar medium supernoave

  13. Nucleo synthesispowers the Sun The pp chain Genesis of complex elements

  14. Chemical abundance Triple a reaction CNO cycle Solar abundance Amount of complex elements in Typical stars today

  15. Heavy elements in massive stars supernovae Stellar winds Radioactive isotope production

  16. Star and planet formation Condensation of dust and formation of planets Formation of the solar system: 4.6 Gyr ago

  17. Link between space & time Light travel time: 10 hours 10 billion years

  18. Chemical abundance in starsheavy element contamination Gamma ray bursts

  19. Large structure of the universecosmic expansion Big bang & age of the universe:12 Gyr

  20. Cycle of time

  21. Anthropic Principle • Astrophysical and cosmological theorists run the risk of error in the interpretation of astronomical and cosmological information unless due account is taken of the biological restraints under which the information was acquired. (Strong Anthropic Principle) • Biological theorists also run the risk of error in the interpretation of the evolutionary records unless they take due heed of the astrophysical restraints under which evolution took place. (Weak Anthropic Principle). Brandon Carter 1983 39/45

  22. Probability of life:Necessary conditions • Chemical elements • Sources of energy from stellar luminosity • Organic molecules in the interstellar medium • Life emerged on earth within 1 Gyr • Life survived major disasters • Life can be transported elsewhere

  23. Quest: to search for the origin and proliferation of life in the Universe

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