physics unit 3 aqa lifecycle of star

physics unit 3 aqa lifecycle of star

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  • Created on: 29-05-12 10:37
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What is the life history of stars?
Sun is one star in Milky Way galaxy
Universe made up of lots of galaxies
Stars form when enough dust and gas from space is pulled together by gravitational
attraction.
Gravitational forces balance radiation pressure to make a star stable
Stars go through life cycles
Fusion processes in stars produce all naturally occuring elements. Elements may be
distributed throughout the universe by the explosion of a star (supernova) at the end of its
life.

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