life cycle of a star

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life cycle of a star

Physics

11th

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step 1
fors from a nebular
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step 2
force of gravity pulls he gas together to make a prtostar
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still step 2
the temp rises and undergoes nuclear fusion

letting out a huge amount of energy keeping the star hot
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step 4
hydrogen begins to run out and the star turns into a red gist or a super guiant depending on size
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step 3
star enters a longe stable period

the star expands pulling everything inwards
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step 5

a small star like our sun.
becomes unstable and elects its outer layer leaving a white dwarf
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step 6

small star like our sun
a the dwarf cools it becomes a black dwarf
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step 7

big star
expands and expodes into a supernova
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step 8

big star
the expanding supernova throws out a layer of dust leaving a neutron star
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step 8 still
if the star is big enough it leaves a black hole