Chapter 25 (Class)
Module 24 - Historical Geology
The Sun and other stars The Sun is a Star and a source of light for everyone on Earth The light from the Sun takes 8.3 minutes to reach us Like all stars,
The Journey Begins The Beginning –What are many theories about how the world began? –Consider three myths: “Creation from the Waters” (Egypt) “The Gods.
CHAPTER 1 Introduction to Planet “Earth”
1 Earth System Science: Understanding & Protecting Our Home Planet Ghassem R. Asrar, Ph.D Associate Administrator for Earth Science January 5, 2004.
Chapter 15-17: Change Over Time Notes. Early History Probably very hot from meteorites hitting Earth Atmosphere lacked oxygen Gases from volcanic eruptions.
Origin of Life
Origin of Life. Universe formed 15 billion years ago (Big Bang) Galaxies formed from stars, dust and gas Earth formed 4.6 billion years ago.
Earth System Science: Understanding & Protecting Our Home Planet
Life in our Solar System. What is the definition of ‘Life’? “A collection of molecules that can undergo metabolism, be able to grow, respond to stimuli,
Evolution Lectures 2005 Modified 2008 M.Elizabeth.
