1. Earth’s Solar System Astronomy

2. *8 Planets Go Around The Sun *Satellites (Moons) of Planets *Asteroid Belt *Comets Sun = Star

3. My Very Educated Mother Just Served Us Nachos!!!

4. My Mercury

5. Very Venus

6. Educated Earth

7. Mother Mars

8. Just Jupiter

9. Served Saturn

10. Us Uranus

11. They’re Outta This World!

12. Nachos Neptune

13. Two Groups Of Planets

15. Inner Planets – Dense, Rocky & Solid Mercury – So Hot...No Atmosphere Venus – Very Bright In The Sky Earth - …Earth Science Rox Mars – Fe = Red

16. Asteroid Belt

17. Outer Planets – Larger, Gas, Less Dense Jupiter– Biggest Planet Saturn– Rings, < Dense Than Water Uranus- Rings Discovered 1977, -370 F Neptune – Discovered in 1930 Two Groups Of Planets

18. Planetoids... Pluto – Small, Fits Inside USA Sedna – Newly Discovered Xena – Newly Discovered UB313 – Newly Discovered Many, Many Others...

19. Star Brightness Apparent Magnitude – how bright a star appears to an observer on

20. Star Brightness Luminosity – true brightness of a …depends on size, temp & distance Candle vs Light Bulb vs Flashlight Distance!!!

21. Star Brightness Absolute Brightness – Luminosity of a if they were seen @ the same distance…apparent magnitude if @ 32.6 light years from sun

22. Light Year Distance Light Travels In 1 Year… 9.5 Trillion km 9,500,000,000,000 km 9.5 X 10 12 km