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Astronomy

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
show Outer space and everything in it.  
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show An object made of gas that gives off energy.  
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show A large cloud of gas and dust in space where stars form.  
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show A large grouping of stars in space.  
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show A galaxy with a bulge in the center and distinctive spiral arms.  
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Irregular Galaxy   show
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show A spherical or elongated-shaped galaxy.  
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show The name of the galaxy where we live.  
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show Brightness of star based on distance.  
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show Shows the classification of stars (magnitude, luminosity, and temperature).  
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show Main sequence star which the planets and other objects in our solar system revolve.  
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show The brightness of an object in space compared to our sun.  
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show The theory that is the leading explanation about how the universe began.  
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show Young star still gathering mass  
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show Stage after protostar. Star that begins hydrogen fusion.  
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show Stage after main sequence. No more hydrogen fusion. Star begins to cool down and increase in size.  
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White Dwarf   show
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show Stage after red supergiant. Explosion that throws out elements into space.  
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show Stage after supernova. Core collapses on itself. Intense gravitational pull not even light escapes.  
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show Stage after white dwarf.  
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show Stage after supernova. Small dense collapsed core of massive star.  
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Created by: NEISDSci
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