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…