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04 (apr) 29 & may 2  16.2e     the solar system
 

04 (apr) 29 & may 2 16.2e the solar system

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    04 (apr) 29 & may 2  16.2e     the solar system 04 (apr) 29 & may 2 16.2e the solar system Presentation Transcript

    • 16.2e The Sun and Stars
      Enhancement Lesson
    • 16.2 Vocabulary
      Constellation – a group of stars appearing in a pattern as seen from earth.
    • 16.2 Vocabulary
      Red Giant – a large, reddish star late in its life cycle that fuses helium into carbon or oxygen.
    • 16.2 Vocabulary
      Supergiant – an extremely large star that creates elements as heavy as iron.
    • 16.2 Vocabulary
      Supernova – a powerful explosion that occurs when a massive star dies.
    • 16.2 Vocabulary
      White Dwarf – A small, very dense star that remains after fusion in a red giant stops.
    • 16.2 Vocabulary
      Neutron Star – a dead star with the density of atomic nuclei.
    • 16.2 Vocabulary
      Black Hole – an object so massive and dense that not even light can escape its gravity.
    • 16.2 What is a star
      Coronal streamer-A wisp-like stream of particles that gradually moves away from the Sun and becomes part of the solar wind.
    • 16.2 What is a star
      Coronal holes - are areas of the Sun's surface that are the source of open magnetic field lines that head way out into space.
    • 16.2 What is a star
      Photosphere -  imaginary surface from which the solar light that we see appears to be emitted.
    • 16.2 What is a star
      Sunspot – temporary phenomena on the photosphere caused by magnetic activity which inhibits convection forming areas of reduced temperature.
    • 16.2 What is a star
      Chromosphere – An incandescent, transparent layer of gas, primarily hydrogen, several thousand miles in depth, lying above and surrounding the photosphere of a star, such as the sun, but distinctly separate from the corona.
    • 16.2 What is a star
      Filament – are formed in magnetic loops that hold relatively cool, dense gas suspended above the surface of the Sun.
    • 16.2 What is a star
      Corona hole – areas where the Sun's corona is darker, colder, and has lower-density plasma than average.
    • 16.2 What is a star
      Convective Zone – the range of radii in which energy is transported primarily by convection.
    • 16.2 What is a star
      Radiative Zone – In the radiation zone, energy is transported by radiation.
    • 16.2 What is a star
      Core – The core is the source of all the Sun's energy.  The Sun's core has a very high temperature, more than 15 million degrees Kelvin, and the material in the core is very tightly packed or dense
    • Birth and Death of a Star
      Fusion Ignition
      Main Sequence
      Protostar
      Red & Supergiants
      Black Hole
      White Dwarf