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| The gas and dust that is the origin of all star-- |
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| The force that pulls the matter in a nebula-- |
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| The lifetime of a star depends on its-- |
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| An explosion of a giant or supergiant-- |
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Term
| giant, red giant or supergiant |
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Definition
| The stage at which a star begins to run out of fuel. |
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| The remains of a collapsed star with a mass greater than 40 times that of the sun. |
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| The remains when a white dwarf runs completely out of fuel and no longer glows. |
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| A measure of distance in accordance to the distance light travels in a year. |
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| size, brightness, and temperature |
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Definition
| The three ways in which we classify stars. |
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| The Milky Way is what type of galaxy? |
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| The fact that all galaxies are moving away from each other leads to what astronomers call-- |
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Definition
| The stage of the life-cycle of a star when gravity and nuclear fusion are in equilibrium-- |
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Definition
| the stage at which gravity pulls nebula together and nuclear fusion begins-- |
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Term
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Definition
| when the core of a low mass star collapse and gasses are released into the universe-- |
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Term
| gravity and nuclear fusion |
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Definition
| What two forces are needed in order for a star to form-- |
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Term
| spiral, irregular and elliptical |
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Definition
| What are the 3 major types of galaxies in our universe? |
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