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


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Enhancement Lesson

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

  1. 1. 16.2e The Sun and Stars<br />Enhancement Lesson<br />
  2. 2. 16.2 Vocabulary<br />Constellation – a group of stars appearing in a pattern as seen from earth.<br />
  3. 3. 16.2 Vocabulary<br />Red Giant – a large, reddish star late in its life cycle that fuses helium into carbon or oxygen.<br />
  4. 4. 16.2 Vocabulary<br />Supergiant – an extremely large star that creates elements as heavy as iron.<br />
  5. 5. 16.2 Vocabulary<br />Supernova – a powerful explosion that occurs when a massive star dies.<br />
  6. 6. 16.2 Vocabulary<br />White Dwarf – A small, very dense star that remains after fusion in a red giant stops.<br />
  7. 7. 16.2 Vocabulary<br />Neutron Star – a dead star with the density of atomic nuclei.<br />
  8. 8. 16.2 Vocabulary<br />Black Hole – an object so massive and dense that not even light can escape its gravity.<br />
  9. 9. 16.2 What is a star<br />Coronal streamer-A wisp-like stream of particles that gradually moves away from the Sun and becomes part of the solar wind.<br />
  10. 10. 16.2 What is a star<br />Coronal holes - are areas of the Sun's surface that are the source of open magnetic field lines that head way out into space.<br />
  11. 11. 16.2 What is a star<br />Photosphere -  imaginary surface from which the solar light that we see appears to be emitted.<br />
  12. 12. 16.2 What is a star<br />Sunspot – temporary phenomena on the photosphere caused by magnetic activity which inhibits convection forming areas of reduced temperature.<br />
  13. 13. 16.2 What is a star<br />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.<br />
  14. 14. 16.2 What is a star<br />Filament – are formed in magnetic loops that hold relatively cool, dense gas suspended above the surface of the Sun.<br />
  15. 15. 16.2 What is a star<br />Corona hole – areas where the Sun's corona is darker, colder, and has lower-density plasma than average.<br />
  16. 16. 16.2 What is a star<br />Convective Zone – the range of radii in which energy is transported primarily by convection. <br />
  17. 17. 16.2 What is a star<br />Radiative Zone – In the radiation zone, energy is transported by radiation. <br />
  18. 18. 16.2 What is a star<br />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 <br />
  19. 19. Birth and Death of a Star<br />Fusion Ignition<br />Main Sequence<br />Protostar<br />Red & Supergiants<br />Black Hole<br />White Dwarf<br />