1. Big Question: Why is it important for us to learn about outer space?
UNIT 1: Mars
Big Question:
Why is it important for us to learn about outer space?

2. Warm up:
Can you name all planets in our Solar System starting from the Sun? Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune My Very Educated Mother Just Served Us Nachos

3. Lesson Objectives:
Students will be able to name planets in our solar system starting from the Sun.
Students will be able to contrast and compare geocentric and heliocentric model.

4. Geocentric Model
Heliocentric Model

5. Geocentric Model GEO = EARTH CENTRIC = CENTER EARTH IS IN THE CENTER!
Early model!
Can not explain apparent movement of some planets – Example: Mars
Please try to draw Geocentric Model on notebook paper.

6. Heliocentric Model HELIOS = SUN CENTRIC = CENTER SUN IS IN THE CENTER!
Model developed by Copernicus in 16th century.
Earth rotates around its axis (rotation)
Earth moves around the Sun (revolution)
Please draw Heliocentric Model in your notebook paper.

8. SOLAR SYSTEM 101 VIDEO

9. OORT CLOUD
Our Solar System
Terrestrial Planets
Gas Giants
Ice Giants

10. FYI: Why Pluto is not a Planet?
Astronomers estimate that there are at least 70,000 icy objects, with the same composition as Pluto, that measure 100 km across or more in the Kuiper Belt. According to the new rules, Pluto is not a planet. It’s just another Kuiper Belt object.