Ch 22 The Sun It�s Solar System Outline by kaitlynnbarton

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                   Ch 22 The Sun & It’s Solar System
                http://www.brainpop.com/science/space/sun/index.weml

I. Safe Methods for Studying the Sun

1. _____________________________

2. _____________________________

3. _____________________________

   1. Spectroscope
        _______________________________________

       _______________________________________

       _______________________________________

   2. Solar Telescopes
        Projects a large image of the sun into a dark underground _____________________

       Uses special _____________________ for viewing

       Ex. Kitt Peak National Observatory in AZ

   3. Satellites
        _______________________ (Solar and Heliospheric Observatory): Study Sun-Earth
         Connection, launched in 1996

       __________________________ Spacecraft (designed to study the Sun’s Corona,
        launched in 1991):

       ____________________________ in a _____________________ orbit over the sun

B. Properties of the Sun
    ___________________________________________________________

    ______________________________ = 1,380,000 Km

    Surface Temp = ______________________

    Interior Temp = ________________________
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C. The Sun’s Atmosphere
   3 Regions
    ______________________________________

   ______________________________________

   ______________________________________

1. Photosphere
    ________________________________________________________________________

   Area of ___________________

   Made of ____________________

       o Granules- the tops of individual columns of __________

       o Gases rise from region _____________ the photosphere

2. Chromosphere
    ______________________________________________________________________

   Lower part of the ______________________________________________

   Seen only during a _____________________________________________

   Colored ___________ by glowing __________________________

   Radiates mostly ________________ & __________

   Area of _____________________________

3. Corona
    _______________________ Chromosphere

   So sparse in gas it would be considered a _______________________ on Earth

   ________________________________________________________________________

     ________________________________________________________________________
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D. Solar Features
   1. Sunspots-
________________________________________



     _____________ center called an _____________________

     _________________ rim called ________________________

     Occur in _________________ of opposite _________________________, like a bar
      magnet

     Appear to move from ___________ to _______________ across the photosphere

 2. Solar Flares
   _____________________________________________


      _____________________________________________

     ____________________ correlated to sunspot #

      (#of sunspots ____,# of solar flares___)

     Source of _____________________________________

 3. Solar Wind
   ________________________________________________________________________


      ________________________________________________________________________

     ________________________________________________________________________
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4. Coronal Holes
  Great tears in the ____________________________


   May extend __________________________ around the sun

   Do not close for ____________________________________

   __________________________________________________________________


5. Auroras
   Northern Lights = ________________________
   ________________________________________________________________________
    ____________________________________________________________________________________

   Mostly occur in Earth's _______________________________________

6. Magnetic Storms
  ________________________________________________________________________

    ____________________________________________________________________________________

   ________________________________________________________________________

   __________________________________may read incorrectly

   _____________________________________________________________ reception
    may be interrupted

   May interfere with _________________________________________
                                                 Sunspot
                                                # increases


                                            Solar Flares
                                             increase


                                             Solar Wind
                                           bursts produced


                                 Auroras                  Magnetic Storms
                             visible at poles                 occur


                                                                Auroras
                                                       visible at lower latitudes
                                                                                         5
E. Source of the Sun’s Energy
    _________________________


      ________________ can be __________________ to ____________ & vice versa

      Fusion Reactions: __________________ that doesn’t become ____________ becomes

       _________________________

      __________________________________ of fuel left in the sun

      ______________ is only place on sun where __________________, _______________

       & __________________ are all great enough to ________________ nuclear fusion.



II. Observing the Solar System
 Solar System includes:


  1. ___Planets

 2. ________________________________
   ___________________________________________

   ___________________________________________

  3. ______________________, ______________________, ______________________

  4. All of the planets travel in _________________________________ (paths around the sun)

   5. ________________________________________________________________________

      ____________________________

      ____________________________

      ____________________________

      ____________________________

      ____________________________

   6. ______________________________ can also be seen
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                                Planetary Highs & Lows

          Characteristics                    Lowest                        Highest
          Temperature

              Density

               Mass

             Gravity

          Length of Day




      B. Planets & Stars
       _______________________________________________________________________

           ___________________________________________________________________________________

         Planets move through the ______________________ (path through the ______________
           Constellations)

         Most planets move ___________________, night after night through the sky

Draw Retrograde Motion




  C. Retrograde motion
   ________________________________________________________________________

         Occurs because each planet ______________ around the sun at ____________________
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     Planet appears to move __________________ when the Earth
      _____________________

     ________________________________________________________________________


  D. Solar System Models

      1. Heliocentric
     __________centered model of ______________________________

     _________________________________________________

     Developed by ________________________________ ( _________________)

Draw Heliocentric Model



      2. Geocentric
     _______________________________________________

     Developed by ___________________ 140 AD

      a. epicycles- ______________________________________________

      b. deferent- large ____________of planets around the _______________

Draw Geocentric Model




III. Motions in the Solar System
   A. Tycho Brahe (1546-1601)
     _________________________________________________


      (_____ years worth)

     Supported __________________________________________
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      Believed ___________________________________________

       __________________________________________________

      Thought ________________________________________________________________

      Several versions, some have Earth __________________________

      Recognition of failure of _______________________ model

   B. Johannes Kepler
    ____________________________________________


      Supported ___________________________________

      ___________________________________________

3 Laws of Planetary Motion
    1st Law - ________________________________________________

       ________________________________________________________

          a. Aphelion - __________________________________________

       ________________________________________________________

          b. Perihelion - _______________________________________


2nd Law Equal Area Law
   ___________________________________

       _____________________________________


    ________________________________________________________________________




3rd Law is the Harmonic Law
    The time it takes a planet to travel one orbit around the sun = ______________________
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 ___________________

 P is the period measured in ___________ & D is _______________ in AU (astronomical
  units)

 The further a planet is from the sun, the ________________ its ___________________

C. Galileo
    1st Astronomer with a _____________________

   Drew ______________ he observed on the surface of the ________________

   Discovered __________________________________________________________

   His findings supported the ________________________________ of the solar
    system


D. Isaac Newton
    Universal Law of Gravitation:
       Change in Force =

   ___________________________________________________________

   ____________________________________________________________

   _____________________________ between any 2 objects is related to the

     ____________________ & the ___________________________________________

   Calculated the _______________ of planets from _____________________ of orbit

   _____________________________________________________________________

     _____________________________________________________________________

   Used ______________ to explain the
    _________________________________________

     & proved they are a part of the ____________________________________
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VI. Other Objects in the Solar System
   A. Asteroids - ______________________________________________________________
   Ex. ____________________________

  B. Escape Velocity- _________________________________________________________

   _______________________________________________________________________

  C. Kuiper Belt - ______________________________________

   ___________________________________________________

   D. Comets-
    Composed of ___________________________________
      mixed in with

      _______________________________, _____________ &

      ____________________; most have very

      ______________________________________

Parts of a comet:
    ______________ - hazy, melting ice cloud around the solid part of the comet

    ______________ - solid ball of the comet

    _____________ - formed by the solar winds pushing away small melting particles;
     always faces away from the sun


    Ex. _______________, Encke’s, & Hale-
     Bopp



                                 Draw & Label a comet:
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E. _____________________________
    The small pieces of rock moving from space; possibly left over from a fully melted comet

F. _______________ - a meteoroid that burns up in Earth’s atmosphere; glows as it is falling

G. _____________________ -
    The part of a meteoroid that ________________________________________________
      & strikes the Earth, sometimes making a crater
      (__________________________________ Az 25,000 yrs ago)
    ___________________________________________ have the most meteorites

      Meteor craters are common on moons & some planets, but not on Earth because:
        1. __________________________________________________________________

         2. __________________________________________________________________

            __________________________________________________________________

								
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