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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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Question
Answer
People who study objects in space   Astronomers  
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Objects found in space   Celestial bodies  
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Identified galaxies other than the Milky Way   Hubble  
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Energy that is radiated in the form of waves   Electromagnetic radiation  
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High energy waves   Gamma rays  
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Visible light creates this   Spectrum  
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Device used to separate light into it's component colours   Spectroscope  
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Longest electromagnetic wave   Radio wave  
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When spectral lines shift toward the red end of the spectra   Red shift  
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Main evidence supporting an expanding universe   Cosmological red shift  
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Theory describing the formation of the universe   Big Bang  
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Used to make a microwave radiation map of the universe   WMAP  
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Large cloud of dust and gas where stars form   Nebula  
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Galaxy that looks like a pinwheel   Spiral galaxy  
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Galaxies that contain the oldest stars in the universe   Elliptical galaxy  
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Galaxy that contains both old and new stars   Irregular galaxy  
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Collection of stars in a location of a galaxy   Star cluster  
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Space is mostly filled with this   Interstellar matter  
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An early phase of a star   Protostar  
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Supergiants explode to create this   Supernova  
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Object extremely dense and has a huge gravitational pull   Black hole  
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The hottest planets are this colour   Blue  
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The cooler planets are this colour   Red  
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The sun is classified in this group   Main sequence  
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Created by: darrinaustin
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