Science Stars Lesson 4

• Stars


  Celestial bodies in the night sky
• Constellations


  A group of stars that forms a particular shape in the sky, can be seen in the northern and southern hemisphere of the earth
• Circumpolar constellations


  • Constellations that can be seen all year round
• Circumpolar constellations in the northern hemisphere


  • Ursa Major
  • Ursa Minor
  • Cassiopeia
  • Cygnus
• Ursa Major


  "Big Dipper" - composed of seven stars
• Ursa Minor


  "Little bear" - smaller version of Ursa Major, also composed of seven stars
• Cassiopeia


  Named after a Greek mythology, 25th largest constellation
• Cygnus


  Latin name for swan, recognized for its asterism that forms a cross
• Constellations in the southern hemisphere


  • No polar star as a reference point
• Constellations in the southern hemisphere


  • Crux
  • Carina
  • Centaurus
• Crux


  Latin word for cross, "Southern Cross", smallest constellation
• Carina


  Latin word for "keel" which means boat's bottom
• Centaurus


  Refers to half man and half horse creature in Greek mythology
• STARS

  giant balls of hot gas

  mostly hydrogen, with some helium and small amounts of other elements.