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stars

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stars
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نص القصة المصورة

  • Life Cycle of a Star
  • oh, hi there Dad! Really? I would love to know their life cycle, it's a great to know and it's worth sharing with my friends and classmates.
  • Hello, my dear daughter! Do you want to hear a story about the stars, particularly its life cycle?
  • Life Cycle of a Star
  • Really, Dad?
  • Do you know that a star's mass is determined by the amount of matter in its nebula?
  • Yes, aside from that, stars are made up of giant cloud of gas and dust.
  • Life Cycle of a Star
  • A protostar?
  • Yes, it is this hot core at the heart of the collapsing cloud that will one day become a star.
  • When the gas spins faster,  It heats up and become a protostar.
  • Life Cycle of a Star
  • After that,  it becomes a main sequence- a stage where the core temperature reaches the point for the fusion to commence. Then, hydrogen is converted into helium and when hydrogen starts to run out and is no longer generating heat, the core contracts and become unstable. The star's outer shell which is still mostly hydrogen starts to expand. Then, it cools down and glow red. The star has now reached the red giant phase.
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  • Is that so?
  • Life Cycle of a Star
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  • After the supernova explosion, smaller stars become white dwarfs and will eventually cool down to become black dwarfs. Also, if the remnant of the explosion is 1.4 to about 3 times as massive as our sun, it will become a neutron star.
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  • So, it means that the force of gravity overcomes the nuclear forces which keeps protons and neutrons from combining. Then, the core is thus swallowed by its own gravity?
  • Life Cycle of a Star
  • Wow... I'm happy to know the life cycle of a star. Thank you Dad for sharing me such an educational and great story!
  • You're welcome!
  • Then, it will become a hole.
  • Yes.
  • Absolutely, yes!
تم إنشاء أكثر من 30 مليون من القصص المصورة