ASTR 110 M01, M02, M03, M04EXAM 4 REVIEW INFO
Wednesday, April 30, 2014
During Class
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
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.
Some of this material is NOT covered on the Exam. Starting with thee slide that
has the black and white cartoon drawing of the telescope and the text
"Part II. Sprial Arms: Structure and Stars" to the end of the lecture notes
is NOT covered on the exam. This is Slide 7-14 of this lecture.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
5. The Galaxies II: Merging Glaxies (Movies)
Though not directly realted to this lecture itself, I did show some 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!6. 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
7. 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)
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.