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Life Cycle of Stars

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  • When a white dwarf stops glowing it is dead and then called a ___ ___.
    black dwarf
  • _ _ _ _ _ _ _ _ _ _ _ spin rapidly giving off radio waves.
    Neutron Stars
  • What process causes the birth of a star?
    NUCLEAR FUSSION
  • What happens to a star whose fuel runs out?
    It begins to die. Low mass will become white dwarf then black. High Mass will explode into supernova and become a black hole or neutron star.
  • WHICH PHASE IS IT? Protostar
    2
  • True or False: All stars begin their lives as part of nebulas.
    TRUE
  • The earliest stage of a star’s life is called a(n) ____.
    protostar
  • WHICH PHASE IS IT? Main sequence stars Low Mass + Massive
    3
  • What color are the hottest stars?
    BLUE
  • TRUE OR FALSE: About 10 percent of the stars in the universe, including the sun, are main sequence stars.
    FALSE 90%
  • After a supernova, the leftover material can turn into _______
    black hole and neutron star
  • WHICH PHASE IS IT? White Dwarf + Supernova
    5
  • WHICH PHASE IS IT? Nebula
    1
  • What determines how long a star lives?
    It's mass. Low mass stars live longer while High mass stars use up more fuel and die faster.
  • are gigantic glowing balls of gasses.
    STARS
  • is the sequence of changes that causes growth and development
    life cycle
  • What occurs when a massive star runs out of fuel and explodes?
    Supernova
  • Stars originate from what element? Two of these elements form?
    Hydrogen, Helium
  • WHICH PHASE IS IT? Black Dwarf, Black Hole, + Neutron Star
    6
  • When a supernova from a massive star starts to collapse it forms a black hole. The _____ is so strong that nothing can escape, not even light.
    Gravity
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