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 31st: Exam #1
Week 04:
  1. Mass/Energy Equivalence
Week 05:
  1. Milky Way
  2. Hubble Sequence
  3. Quasars
  4. Distance Scale
Week 06:
  1. Creation
  2. Geometry of the Universe
  3. Dark Matter/Dark Energy
Feb 21st: Exam #2
Week 07:
  1. Early Universe
Week 08:
  1. Inflation
  2. Anthropic Principle
  3. Baryongenesis
Week 09:
  1. Nucleosynthesis
  2. Neutrinos
  3. Cosmic Background
Week 10:
  1. Large Scale Structure
  2. Galaxy Formation
  3. Fate of the Universe
Mar 16th: Exam #3


Quiz Deadlines
Quizzes #1,2Jan 15th Quizzes #14,15,16Feb 19th
Quizzes #3,4,5Jan 22nd Quizzes #17Feb 26th
Quizzes #6,7,8Jan 29th Quizzes #18,19,20Mar 5th
Quizzes #9Feb 5th Quizzes #21,22,23Mar 12th
Quizzes #10,11,12,13Feb 12th Quizzes #24,25,26Mar 15th
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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