Astr 221 Sept 8 2003 : Comets, Magnitude: Orbits  

Cometary Dust

Comet at Dawn

Radiation Pressure

Radiation Pressure Example

RP continued...

Asteroids and Meteorites

Asteroid Velocity

Meteorites and Comets: Long or short?

Meteorites and Comets: answer

Meteor showers and their Comets

Asteroid types

Iron meteorites and differentiation

Differentiation in Asteroids

Dating of Asteroids/Meteorites

Age Dating Rocks

Parent Daughter isotopes

Radioactive Decay Equations

Question: Why can't we find the Age?

Solution to Age problem

Dating Graph