1. How do we explore and study space
Welcome to Class
How do we explore and study space

2. Agenda Finish Solar System Book Why is Earth best suited for Life?
Formation of the universe
Nebular Activity

3. Why is Earth best suited for Life?

4. Formation of the Universe

5. Nebular Hypothesis Nebula – rotating cloud of gas and dust
Solar Nebula – formed sun and planets about 5 billion years ago

6. Formation of the Sun
Temp at center of solar nebula was hot enough for hydrogen fusion
Created star = sun
99% of the matter from the solar nebula

7. Formation of the Planets
Planets formed on the outside of solar nebula
Inner Planets
Solid, warmer
Outer Planets
Gaseous, cold
Exoplanets - video

8. Formation of the Planets
Planetesimals
Protoplanets
Planets and Moons

9. Put the Events in order
Cut out the pictures (and words) and glue/tape them onto the paper on order 1-6

10. Formation of the Solar System
Other ideas about the Solar System
Readings