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Stars Vocab

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Term
Definition
Nebula   A cloud of dust and gas in space  
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Protostar   Begins to form out of a nebula  
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Main- Sequence   A star that is fusing hydrogen into helium, often called the "adult" form of a star  
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Red Giant   A star that's uses up the supply of hydrogen at its core and expands  
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Planetary Nebula   As a red giant expands, it is no longer able to hold onto its outer layer of gas. The expanding layer of gas is called this  
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White Dwarf   The Starr's core continues to shrink and the surface heats up. Hot and dense core of a star.  
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Black Dwarf   White dwarf which is cooled off.  
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Supergiant   These have masses of 10 or more times the sun and luminosities from 30,000 to over a million times the sun.  
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Supernova   An explosion which rips a star apart near the end of its life.  
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Neutron Star   An extremely small and dense star that is composed entirely of neutrons.  
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Black Hole   A star with gravity so strong that even light is unable to escape.  
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