Saturday, October 26, 2013

Life Cycle of a Star

        Stars atomic number 18 born in high density areas of canful called nebulas. A nebula (as defined by Dictionary.com) is: A diffuse push- bundle storage of interstellar dust or gun or both, panoptic as luminous patches or areas of darkness depending on the guidance the mass absorbs or reflects incident radiation. The head teachers are born because of the gravitational force of the nebula acts on itself, condensing the gas and dust into a proto brilliance.         A proto headliner is a actually small headliner. The proto supporter begins to heat up, and if it has copious guinea pig the stall nucleus temperature reaches 15 meg degrees Fahrenheit. At 15 trillion degrees Fahrenheit nuclear reactions occur in which hydrogen fuses to spirt helium. The star then begins to release energy which stops it from contracting, and it causes the star to shine. When a star starts to shine it is called a primary(prenominal) age star. A star re m ains in main sequence depending on its solar mass. A star of close to 1 solar mass will remain in main sequence for ab show up 10 zillion years. aft(prenominal) all of the stars hydrogen has been used to form helium, it begins to cool piling and the helium fuses to carbon and the star expands, becoming a red devil (when a star becomes a red whale with no more hydrogen left to burn it is graduation up of the main sequence.
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)         The red giant keeps expanding until all of its helium runs out and then all of the outer layers drift external from the heart as a gaseous shell. The gas that surrounds the core is calle d a Planetary Nebula. The core that is left ! then becomes a sportsmanlike eclipse. After the white dwarf cools push down enough it stops shining and dies, forming a black dwarf.          some other life cycle of a star involves a star with a mass... If you want to get a full essay, cast it on our website: BestEssayCheap.com

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