Astronomy 123: Galaxies and the Expanding Universe


Frequently Asked Questions about AST123
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Internet Resources:

Solar System Live
Unit Converter

21st Century Science
Astronomy/Physics Glossary

AST121: The Solar System

Astronomy Web Textbook
Temperature Scale

Greek Alphabet
Exponents and Logarithms

AST122: Birth and Death of Stars


Week 01:
  1. Ancient Cosmology
  2. Medieval Cosmology
Week 02:
  1. Newtonian Cosmology
  2. Atomic Theory
  3. Clockwork Universe
Week 03:
  1. Quantum Physics
  2. Elementary Particles
  3. Relativity
Jan 27th: Exam #1
Week 04:
  1. Mass/Energy Equivalence
  2. Milky Way
Week 05:
  1. Hubble Sequence
  2. Quasars
  3. Distance Scale
Week 06:
  1. Creation
  2. Geometry of the Universe
  3. Dark Matter/Dark Energy
Feb 17th: Exam #2
Week 07:
  1. Early Universe
Week 08:
  1. Inflation
  2. Anthropic Principle
  3. Baryongenesis
  4. Nucleosynthesis
Week 09:
  1. Neutrinos
  2. Cosmic Background
  3. Large Scale Structure
  4. Galaxy Formation
  5. Fate of the Universe
Week 10:
Mar 10th: Exam #3


Quiz Deadlines
Quizzes #1,2Jan 11 Quizzes #14,15,16Feb 15
Quizzes #3,4,5Jan 18 Quizzes #17Feb 22
Quizzes #6,7,8Jan 25 Quizzes #18,19,20,21Mar 01
Quizzes #9,10Feb 01 Quizzes #22,23,24,25,26Mar 08
Quizzes #11,12,13Feb 08
All quizzes must be done by midnight on the dates listed on the top of each quiz
Scores and answers will be available after each deadline by clicking the button below

The background graphic of these pages is from a chart in Johannes Kepler's 1606 celestial atlas entitled De Stella Nova.

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