These are the notes for the third term of a three term astronomy sequence given at the University of Oregon in the academic year 1995-6.

The three courses are

• ASTR 121 Planets
• ASTR 122 Stars
• ASTR 123 Galaxies

This sequence covers the general subject...

Note that these pages are rather low tech. That's deliberate. Also, some links to outside sources don't work. That's not deliberate. It is simply because not much has been done to maintain these pages.

Physics Department educational outreach server.

Sources for more pictures and information:

• Hubble Space Telescope
• Galileo mission
• Bill Arnett, U. Arizona, The Nine Planets
• Jet Propulsion Lab (NASA), Cal Tech, Welcome to the Planets

Information about printing the Lecture Notes.

Lecture Notes:

• Comets .
• Scientific arithmetic .
• Summary of physical laws for astronomy.
• An initial view of the universe .
• Matter, energy, and sunshine.
• Light.
• Telescopes.
• Our galaxy at many wavelenths.
• Structure of the Galaxy.
• How to measure distances.
• The interstellar medium.
• The life and death of stars.
• History of the Galaxy.
• Spiral Structure.
• The center of the Galaxy.
• What is the universe made of?
• What kinds of galaxies are there?
• How are galaxies moving with respect to us?
• How are galaxies distributed in space?.
• Out of the ordinary galaxies.
• Quasars and Their Evolution
• A view of the early universe.
• Particles.
• The first three minutes.
• The Fate of the Universe

Problems:

• Monday 8 April.
• Monday 15 April.
• Monday 22 April.
• Monday 29 April.
• Monday 6 May.
• Monday 13 May.
• Wednesday 29 May.
• Monday 3 June.