Hydrogen fuses to form helium, three of which form carbon, and so on down the periodic table of elements. This is a theory of how the elements of the universe were formed, through the fusion of simple elements into more perplex ones in the lifecycle of stars. The heat level and generation of a star can also be identified by colour, the bluer it is the hotter it is. Early in the developmental stages of the formation of the universe, the stars that existed were mostly very big and very blue. This meant they were very powerful and full of energy, and that they contained many of the elements formed through fusion, all the way down to iron. This also meant that the lifecycle of these stars were very short, so the logitivity of the star's life does not necessarily depend on the size and power as one might expect, but on the sustainability of its gradually increasing heat level.
Nebulla
The complex becomes a protostar and then a normal star, and then a red giant. The red giant can come in either super big or normal form. The kind of size produced determines the life path the star continues into. If it's big it will turn into a super giant, and then will blast supernova and either become a very dense neutron star or black hole. The supernova releases material which will create another nebula, and can create planets in the process. If it's small it will continue on to become a planetary nebula, then a white dwarf, then a black dwarf.
Article
BY amru ziad
Star Cycle
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