1. Tuesday 5/9/17
Notebook Entry: This image was taken from a NASA satellite traveling out in our solar system. What do you think the big object might be? The little speck?

2. Cassini - Huygens Dimensions: 22 feet high; 13.1 feet wide
Weight: 12,593 pounds with fuel, Huygens probe, adapter, etc; 4,685 pounds
Launch: Oct. 15, 1997, from Cape Canaveral Air Force Station, Fla.
Number of people who worked on some portion of Cassini- Huygens: More than 5,000

3. Due today
Gravity and Motion Article with 2 column notes and sheets of 11 questions. (Staple all three together when you turn in.)
Gravity and Motion Lab Stations Packet – if you did not turn in yesterday.

4. Gravity
The strength of the force of gravity between two objects depends on two factors:
The masses of the two objects
The distance between the two objects
Inertia and gravity combine to keep Earth in
orbit around the sun and thee moon in orbit
around the earth.
How would changing
mass and distance
affect orbit of Earth?

5. The BIG Question: Why are objects in
the solar system different from each other?
I can analyze and interpret data to
determine properties of objects in the solar
system.

6. An illustration of the Ptolemaic geocentric system by Portuguese cosmographer and cartographer Bartolomeu Velho, (Bibliothèque Nationale, Paris)

8. EARTH IS AT THE CENTER OF THE SOLAR SYSTEM = GEOCENTRIC MODEL OF SOLAR SYSTEM
140 A.D. Greek astronomer, Ptolemy developed the geocentric view of the solar system.
Widely accepted for 1,500 years.

9. EARTH AND THE OTHER PLANETS REVOLVE AROUND THE SUN = HELIOCENTRIC SYSTEM
Not widely accepted at first.
1543 Polish astronomer, Copernicus

10. Italian scientist, Galileo Galilei collected evidence with a telescope and convinced others the heliocentric model was correct.
Discovered 4 moons orbiting Jupiter
Venus has phases, much like our Moon does- can only be seen with a telescope

11. Late 1500s Dutch, Johannes Kepler, discovered path of planets was elliptical

12. What makes up our solar system

13. Introduction to the Solar System: Read and do pages 82-85
Assignment
Introduction to the Solar System: Read and do pages 82-85