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Nebular theory (Solar system (inner planets # (four closest planets to the…
Nebular theory
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Stars
Nebula
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supernova
when the star only has iron left, gravity will collapse the star until it explodes from pressure
neutron star
after supernova explosion, the stars core remains.
if the core is four times the mass of the sun, the star becomes a neutron star.
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black hole
if core from a supernova is more than five times the mass of the sun, then the core will collapse into a black hole
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