Sun

Layers

• Core
  • innermost
  • H ➡️ He
• Radiative Zone
  • above core
  • photons for E transmission
• Convective Zone
  • closer to surface
  • E transfer ➡️ movement of hot gases / plasma cells
• Photosphere
  • visible surface
  • E into space
  • radiation
• Chromosphere
  • thin layer
  • b/w photosphere & corona
• Corona
  • outermost
  • extremely hot
  • halo ➡️ solar eclipse

Key Terms

• Heliosphere
  • beyond pluto
  • solar region
  • protects from cosmic rays
• Solar Wind
  • outward expansion of plasma
• Sunspots
  • temporary on photosphere
  • cooler parts
• Solar Fares
  • intense bursts
    • energy
    • light
  • by release of B
  • disrupt radio comm. on Earth
• Coronal Mass Ejection
  • large clouds
    • plasma
    • B
  • from corona
  • interact with Earth’s B, impacting
    • geomagnetic storms
    • power grids
    • GPS
    • trigger Aurora display