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Benson 180

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Title: ASTR 1120 General Astronomy: Stars and Galaxies Author: Webster Cash Last modified by: Webster C Cash Created Date: 1/7/2003 8:43:45 PM Document presentation ... – PowerPoint PPT presentation

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Title: Benson 180


1
ASTR 1200Stars and Galaxies
  • Section 001
  • Benson 180
  • TR 330-445
  • Instructor Webster Cash
  • TA Josh Moloney
  • http//casa.colorado.edu/wcash/APS1200/APS1200.ht
    ml

2
  • Website
  • http//casa.colorado.edu/wcash/APS1200/APS1200.ht
    ml
  • All homework and announcements made through this
    website.
  • Other useful features and links
  • Text The Cosmic Perspective
  • Bennett, Donahue, Schneider and Voit
  • Addison Wesley

3
Grades(Unfortunate, but thats the system)
  • Exams
  • In-Class Exams (200)
  • Final Exam 130pm Dec 17, 2014 (200)
  • Homework (100)
  • Written Exercises to be turned in for grade
  • Observatory Trip

4
  • COURSE SCHEDULE (HIGHLY APPROXIMATE)
  • 1         January 14      Intro., Scientific
    Notation                                        
       Scale of the Universe 2                      
    21     Gravity                                    
                                      Laws of
    Motion 3                       28    Nature of
    Light                                           
                    Nature of Light 4        
    February 4      Formation Solar System           
                                     
    Sun                                          
    5                        11    Sun
                                      Telescopes
    6                        18    Exam 1
                                     
    Stars                                        
    7                        25    H-R Diagram
                                      H-R Diagram
    8            March  4      Binary Stars
                                      Stellar
    Structure                       
    9                        11   Stellar Evolution
                                      White
    Dwarfs                          
    10                      18    Exam 2
                                      Neutron Stars
    11                      25    Spring Break
                                      Spring Break
    12            April 1     Black Holes
                                      The Milky
    Way                        13           
      8       Interstellar Medium                   
                     Galaxies                         
             14                     15     
    Galaxies                                   
    Expansion of the Universe       
    15                     22      Exam 3
                                       AGN's
    Quasars 16                     29     
    Cosmology                             
                                       The Big Bang
    17            May  7        Final

5
The Hitchhikers Guide to the Galaxy Douglas
Adams Chapter 8
6
THE BIG QUESTIONS
  • What is Reality?
  • What are we?
  • Are we alone?

How do we even get a handle on these questions?
7
What is Reality?
What ensued was a discussion that homed in onour
knowing almost nothing, including the nature of
consciousness. We dont even know if the
question is answerable. We just know
thatscience can answer the question at least
partially.
8
What are we?
Another discussion ensued. Science has answered
somequestions well. But there is a long way to
go.
9
Are we alone?
Philosophically we all agree that it is unlikely
we are alone. But we differ on the probability
of any UFOs being real.
10
Drakes Equation
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