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
Oct 15th: 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
Nov 5th: Exam #2
Week 07:
  1. Early Universe
  2. Inflation
Week 08:
  1. Anthropic Principle
  2. Baryongenesis
  3. Nucleosynthesis
Week 09:
  1. Neutrinos
  2. Cosmic Background
  3. Large Scale Structure
Week 10:
  1. Galaxy Formation
  2. Fate of the Universe
Nov 28th: Exam #3


Quiz Deadlines
Quizzes #1,2Sep 30th Quizzes #14,15,16Nov 4th
Quizzes #3,4,5Oct 7th Quizzes #17,18Nov 11th
Quizzes #6,7,8Oct 14th Quizzes #19,20,21Nov 18th
Quizzes #9,10Oct 21st Quizzes #22,23,24Nov 25th
Quizzes #11,12,13Oct 28th Quizzes #25,26Nov 27th
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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