Stellar Evolution

Stellar Evolution

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  • This is a stellar nebula named DeShawn Asterisk. We will watch his life life journey and  how he changes from the different phases a star goes through.
  • Look! Now DeShawn Asterisk has become an average star and is releasing lighter elements into space. 
  • DeShawn has grown significantly and is now much hotter.
  • Prior to DeShawn Asterisk was able to become a main sequence star, he was just another stellar nebula that later became a protostar, or a hot ball of gas.  All stars start off as stellar nebula and later become a protostar. The star fused hydrogen to form helium in order to become an average star.
  • Now we follow our star friend as it  becomes planetary nebula.
  • Now, the protostar was able to gain its balance after being a cloud of dust and become an average star, Through nuclear fusion, it releases hydrogen and helium. 
  • Wow! DeShawn is one hot star! Too bad he's reaching the end of his life.
  • Eventually, the core begins to lose fuel and causes an expansion of up to 1000 times. DeShawn Asterisk is now a Red Giant.
  • Simultaneously, the star begins losing its layers after it has no energy left and forms a structure known as planetary nebula.
  • Now that we are reaching the end of DeShawn Asterisk's life, he has finally become a White Dwarf. A White Dwarf is a very dense and very hot star about the size of Earth but with the mass of the sun.
  • Oh man! Our star friend is concluding its life and has lost all of its energy. Now he is a black dwarf, which is the final stage in the life of a main sequence star like DeShawn Asterisk.
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