ASTR 110 M01, M02, M03EXAM 4 INFO
Wednesday, May 2, 2012
11:30-12:20 am
BX 102
LECTURES/MATERIAL COVERED
1. The Milky Way I: Structure and Anatomy
[Lecture Slides] [Lecture Outline]
Anatomoy of Milky Way; Hershal's Experiment, assumptions, methods, results;
Variable star, period luminosity relationship; Shapley's Experiment, assumptions, method, results2. The Milky Way II: Formation and Evolution
[Lecture Slides] [Lecture Outline]
Spherical infall model of galaxy formation; Population I and II stars (orbits, metallicities,
locations, and ages); Build up of Metals in Galaxy; Connection between Pop I and II stars
and galaxy formation model; Spiral Arms (traced by yound stars); Density Wave Model of Sprial Arms.
Lecture Slides 9 and 10 not covered on this Exam
3. The Milky Way III: The Center
[Lecture Slides] [Lecture Outline]
Seeing through the Galaxy in various regions of the electromagentic spectrum;
center is toward Sagittarius; dust emission in IR; radio data of object Sgr A;
Evidence for a black hole in the Milky Way center.4. The Galaxies I: Types and Distances
[Lecture Slides] [Lecture Outline]
Types of Galaxies; How many galaxies in universe?; Differences between Elliptical and Sprial galaxies;
Galaxy Morphology types (E0,E4, etc., ... Sa, Sb, etc.); Buldges versus Disks; Irregular Galaxies (LMC, SMC);
Hubble Tuning Fork; Hubble's Law
Lecture Slides 12, 13, 14 not covered on this Exam
5. The Galaxies II: Merging Glaxies (Movies)
I will ask a few VERY BASIC questions about the movies
that I showed in class. If you saw the movies, you
will have no problem answering these questions.
If you cut class that day, you can always guess!5. The Galaxies III: Formation and Evolution
[Lecture Slides] [Lecture Outline]
Scale and Structure of Universe; Groups, Clusters; The Local Group; Hot X-ray gas in Clusters; Galaxy merging
Lecture Slides 11 not covered on this Exam
Items not covered: Rich vs. Poor Clusters (bottom of slide 2)6. The Galaxies IV & V: AGN and QSOs
[Lecture Slides] [Lecture Outline]
Active Galactic Nuclei and Syfert Galaxies; spectra of galaxes versus AGN (emission lines);
Central black hole- accretion disks and jets; radio lobes and hot spots; evidence for intergalactic medium;
QSOs; highly redshifted emission lines; spectra of QSOs (compared to galaxies and AGN)
Last two Lecture Slides of this Lecture not covered on this Exam
Not Covered on the Exam:
See above red text under each lecture topic listed above. If there is no green text under a lecture topic then all slides of that lecture are covered on this exam.
EXAM FORMAT
There are four sections
1. True/False
2. Multiple Choice
3. Matching/Identification/Recognition
4. Short Answer
You do NOT need a Scantron. You will write directly on the exam. Please review exam day policy on the syllabus.
RECOMMENDED STUDY PHILOSOPHY
Same as for Exam 1! See the Exam 1 review page.