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Nebular Theory (Stars (Types (Average (Go through energy slower (Energy is…
Nebular Theory
Stars
Nebula
Cloud of Dust and Gas
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Gravity forms it together
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Temperature increases
Forms into a star
Nuclear fusion begins
Materials become more dense
Types
Average
Contain less matter
Go through energy slower
Live Longer
Energy is releases outward in nuclear fusion and becomes a red giant
Star loses helium and can't fuse heavier elements
Doesn't have enough gravitational pull and gas expands
Leaves behind a white dwarf
When all energy is gone, becomes black dwarf
Massive
Contain more matter
Burn energy faster
Don't live as long
When energy is gone will fuse into iron
When only iron is left, gravity collapses star in on itself in a supernova
If 4 times the mass of the sun, will form into neutron star
Neutron stars are only 18 miles wide
One teaspoon weighs 10 million tons on Earth
If 5 times the mass of the sun, will form into a black hole
Black hole is a very dense core, not a hole in space
Nothing can escape it's immense gravity
Solar System
Nebula
Cloud of Dust and Gas
Forms into a star
Temperatures begin to increase
Gravity Pulls more matter together
Forms into a disk shape
Forms into solar system
Dust particles combine
Planets Form
Planets revolve around star
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Closer planets rotate faster
Further planets rotate slower
Extremely high temperatures
Galaxies
Nebula
Cloud of dust and gas
Gravity forms it together
Forms into disk shape
Forms into a star
Forms into a solar system
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Many solar systems form together to form a galaxy
Temperatures increase