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Stellar webquest. By: Daniel Afridi and Paulo medina. Red giant. A Red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution. The sun will turn into a red giant in about four billions years. Red giant forms when a star runs out of hydrogen fuel .

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Stellar webquest

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Stellar webquest

By: Daniel Afridi and

Paulo medina


Red giant

  • A Red giant is a luminous giant star of low or intermediate mass in a late phase of stellar evolution.

  • The sun will turn into a red giant in about four billions years.

  • Red giant forms when a star runs out of hydrogen fuel.


Red Giant


Neutron star

  • Neutron stars are stars that collapsed under gravity.

  • Made of neutrons

  • Forms during super nova explosions(occurs when star runs out of fuel) of massive stars.

  • Forms from core of collapsing star condensing the core into a sphere.


Neutron star


Neutron star


White Dwarf

  • White dwarfs are remains of a star that collapsed.

  • Consists of electron degenerated matter.

  • Form from collapse of stellar cores in which nuclear fusion has stopped.

  • Consist of carbon and oxygen.

  • Might end up a neutron star or a black hole depending on the mass they are born with.


White Dwarf


Life Cycle of a Massive star


Nuclear reaction


Sun’s death

  • The sun is about 4.5 billions years old. In about 5 more billion years the sun will die. As the sun runs out of hydrogen and helium the sun will get bigger and slowly turn into a red giant. Once it is a red giant it will slowly shrink in diameter and turn into a white dwarf. Once it cools off even more it will turn into a Black Dwarf or a dead star.


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