Stars Over Time Stars over Time A star is a self-luminous ball of gas bound by self-denial into a single object and powered by nuclear fusion at the pump. There are trillions and trillions of stars in our foundation and all are different and unique. There are legion(predicate) st successions of stars spiritedness including main sequence stars, red giants, white dwarfs, neutron stars, and black-market holes. both stars also have many more variations in separately stage of life. The life of a star begins in a nebula, a great collection of gas and dust. at once enough sens has accumulated into a single object, gravitative attraction forces the mass to collapse into the center. Due to pressure and friction, the core gets so hot that it begins nuclear fusion and a protostar is made. The age and the mass of stars tell every thing about a stars tangible properties and placement into each of the categories. The Hertzsprung - Russell diagram (HR Diagram) graphs stars luminosities over the stars ghostly class. spark describes how bright the star is (...If you want to get a entire essay, order it on our website: OrderEssay.net
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