Difference between revisions of "Main Sequence Star"
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| − | === | + | [[File:TheSun.png|right|300px|thumb|This is an image of [[The Sun]] which is a '''main sequence star'''.]] |
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A '''main sequence star''' is a [[star]] in which the [[Nuclear Fusion|nuclear fusion]] of [[Hydrogen]] [[isotope]]s produces [[Helium]]. | A '''main sequence star''' is a [[star]] in which the [[Nuclear Fusion|nuclear fusion]] of [[Hydrogen]] [[isotope]]s produces [[Helium]]. | ||
Revision as of 12:41, 13 March 2019
Key Stage 4
This is an image of The Sun which is a main sequence star.
Meaning
A main sequence star is a star in which the nuclear fusion of Hydrogen isotopes produces Helium.
About Main Sequence Stars
- The main sequence stage of a star's life is the longest and most stable stage.
- The inward pressure on the matter of the star, due to gravity, is balanced by the outward pressure on the matter of the star due to nuclear fusion of Hydrogen heating the matter so the star remains at a constant size.
- During this stage rest mass is converted to energy by the fusion of Hydrogen isotopes.
- Energy from the nuclear potential energy store is transferred to the thermal energy store of the star.