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Characteristics of Universe

Solar Systems - Star Systems: stars, planets, moons, asteroids, comets. Types of : Single, Binary, Eclipsing Star Systems. Galaxy: Elliptical Spiral (milky way) Irregular. Our solar system has 1 star! The Sun. Stars: Classified by: Size Temperature Brightness. Characteristics of

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Characteristics of Universe

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  1. Solar Systems - Star Systems: stars, planets, moons, asteroids, comets. Types of : Single, Binary, Eclipsing Star Systems Galaxy: Elliptical Spiral (milky way) Irregular Our solar system has 1 star! The Sun Stars: Classified by: Size Temperature Brightness Characteristics of Universe THEORIES ABOUT THE UNIVERSE: Big Bang Theory What else: Universe is expanding!

  2. STARS SIZE: Medium: Giant: Super Giants: Brightness Temperature Hertzsprung - Russell Diagram: X - axis: Surface Temperature Y- axis: Brightness Size determines lifespan of star: Less mass - longer life!!

  3. Star Temperature Temperature determines star color Coolest Stars: Red Hotter Stars: White Hottest Stars: Blue Betelgeuse Our Sun Rigel Orange and Yellow in between temps

  4. Brightness: Apparent Magnitude Absolute Magnitude How bright star appears from Earth How bright star would be if its brightness was based on all stars measured from the same distance.

  5. Life Cycle Of Star: Protostar: Nuclear Fusion: H combines to form He (energy for star formation) 1st: Nebula Small/Medium Stars Super Giants SUPER NOVA!!!! Red Giant or Blackholes Neutron Stars White Dwarf Black Dwarf

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