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Astronomy

Astronomy. Earth’s Solar System. Sun = Star. * 8 Planets Go Around The Sun * Satellites (Moons) of Planets * Asteroid Belt * Comets. My Very Educated Mother Just Served Us Nachos!!!. My Mercury. Very Venus. Educated Earth. Mother Mars. Just Jupiter. Served Saturn. Us Uranus.

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Astronomy

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  1. Astronomy Earth’s Solar System

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

  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

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

  15. Asteroid Belt

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

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

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

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

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

  21. Light Year Distance Light Travels In 1 Year… 9.5 Trillion km 9,500,000,000,000 km 9.5 X 1012km

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