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Overview of the Solar System

Overview of the Solar System What is wrong with this picture? http://www.wpclipart.com/space/solar_system/solar_system_large.png Our solar system, “from the top” Terrestrial Planets http://photojournal.jpl.nasa.gov/ jpegMod/PIA03103_modest.jpg

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Overview of the Solar System

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  1. Overview of the Solar System

  2. What is wrong with this picture? http://www.wpclipart.com/space/solar_system/solar_system_large.png

  3. Our solar system, “from the top”

  4. Terrestrial Planets http://photojournal.jpl.nasa.gov/ jpegMod/PIA03103_modest.jpg http://photojournal.jpl.nasa.gov/catalog/PIA01252 http://solarviews.com/cap/venus/venusvis.htm http://apod.nasa.gov/apod/ap950622.html

  5. Asteroids Ceres Ida and Dactyl http://apod.nasa.gov/apod/ap990807.html http://hubblesite.org/newscenter/ archive/releases/2005/27/ Mathilde http://www.gsfc.nasa.gov/gsfc/spacesci/near/eros.htm http://apod.nasa.gov/apod/ap970630.html http://www.alcyone.de/POrbits/english/asteroidsbelt.html http://lasp.colorado.edu/~bagenal/3750/ClassNotes/Class23/Class23.html

  6. Giant Planets http://photojournal.jpl.nasa.gov/ catalog/PIA01492 http://photojournal.jpl.nasa.gov/ images/Uranus.gif http://photojournal.jpl.nasa.gov/catalog/PIA01509 Ice Giants http://photojournal.jpl.nasa.gov/catalog/PIA02225 Gas Giants

  7. Comets Halley (1910) Hyakutake http://www.solarviews.com/cap/comet/haldet.htm http://www2.jpl.nasa.gov/comet/hyakutake/gif/burger2.jpg Comet Tempel 1 (7/4/05) Halley’s nucleus http://www.windows.ucar.edu/tour/link=/comets/Kuiper_belt.html Deep Impact http://apod.nasa.gov/apod/ap961210.html Viewed from afar http://photojournal.jpl.nasa.gov/catalog/PIA02137

  8. How big is the solar system? • If the solar system would fit into this room, how big would the Sun be? • If the Sun is actually only 3 mm (1/10th inch) in our model, how big would the Earth be? Jupiter? • IN ONE WORD, how would you describe most of the space in the solar system? http://antwrp.gsfc.nasa.gov/apod/ap990505.html

  9. The closest star • Alpha Centauri, the brightest star in the nearest star system, is very much like the Sun. • In our model, with the stars the size of small balls, how far away do you think would we find Alpha Centauri? http://www.solstation.com/stars/cent2.jpg

  10. So… Where are we? • What is this? • What is the difference between the solar system and a galaxy? http://antwrp.gsfc.nasa.gov/apod/ap050104.html

  11. http://www.terremoto.ca/images/milky_way.jpg

  12. Our neighbor, the Andromeda Galaxy http://antwrp.gsfc.nasa.gov/apod/ap021021.html

  13. A look at the nearby universe http://antwrp.gsfc.nasa.gov/apod/ap040309.html

  14. Guiding Questions • In what sense is the solar system flat? • List some ways in which the solar system is an “orderly” place. • Name some “disorderly” characteristics of the solar system. • Why do astronomers draw such a clear distinction between the inner and outer planets? • Name at least three important differences between the terrestrial planets and the giant planets. • Why are astronomers so interested in interplanetary matter? • In a word, how would you describe most of the space in the solar system? • How do the sizes of the planets compare to the space between them? • Differentiate between our solar system and our galaxy.

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