2021-02-09

astr-1102

• Solar activity (presentation)
  • The power of the Sun
  • The Sun makes the same amount of energy in a day as the Earth uses in a year
  • Our Sun is very average
    • Yellow dwarfs are very common
  • The Sun is only 4.6 billion years old
    • Young compared to the Universe
    • Will exist for another ~5 billion years
  • Sunspots
  • Plages
  • Prominences
  • The Sun will
    • Turn into a red giant star when it burns up all its hydrogen
    • Collapse into a white dwarf when it burns up all its helium
• Star Birth (presentation)
  • Size and mass are directly related to their temperature and brightness