BYA Class Four

• Outline

• Big Dipper, Little Dipper, Cassiopeia

• Stars

  • The nearest stars

  • Star Brightness or Luminosity:  L = AT⁴

    • Try it yourself

  • Star Colors

    • Orion

    • Betelgeuse

    • Rigel

  • The brightest Naked Eye stars

  • Stellar Evolution

    • sun - red giant

    • sun-earth

    • sun-white_dwarf

• Wikipedia on Stars

fwk iupui 2008