Astronomy and Cosmologies Mon.23.May 2005, Spring 2005, Zita Your research presentations –For the presenters –For the audience A new view of the Beginning Looking ahead

Presenters Tell us what motivated your question & research Share your investigations and learning, in everyday language Please share the microphone Take a deep breath Speak slowly and clearly 10 minutes, then questions

Audience Give speakers your full attention. Make note of interesting points Ask questions afterwards Feedback on WebX: 1. What was particularly clear or interesting? 2. What needs clarification or fleshing out? 3. Questions about CONTENT you have for the team? 4. Feedback about the team's presentation style? Questions about research presentations may be on a quiz Wednesday in class.

In the Beginning A New Explanation from In the Beginning Ch.1 of Foundations of Modern Cosmology by John F. Hawley & Katherine A. Holcomb Oxford University Press, 1998 “In the beginning there was neither space nor time as we know them, but a shifting foam of strings and loops ….”

Cosmic foam

Unification

Inflation

Symmetry breaking and cooling

Radiation and matter

Matter and antimatter

Primordial nucleosynthesis

Recombination – light is free

Cosmic background radiation

Creation of galaxies

Quasars

SN and stellar nucleosynthesis

New star formation

Formation of our solar system

Sun and Earth

Life

Seas and land

Plants

Animals

Humans

Sun becomes Red Giant

The End

Looking ahead…