Astronomy vocab quiz ch. 4 Crossword
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
                                                 
 
 
Down: 1) Devices used to detect radio waves from objects in space.3) Energy that can travel through space in the form of waves. 4) 9) A star's brightness as seen from earth.10) A telescope that uses lenses or mirrors to collect and focus visible light.11) 17)  Across: 2) The brightness the star would have if it were at a standard distance from earth.5) A device that makes distant objects appear to be closer.6) A building that contains one or more telescopes.7) A piece of transparent glass, curved so that the middle is thicker than the edges.8) 12) Uses a curved mirror to collect and focus light.13) The distance that light travels in one year, about 9.5 million kilometers.14) Uses convex lenses to gather and focus light.15) A device that breaks light into colors and produces an image of the resulting spectrum.16) 18) 19) 20) The distance between the crest of one wave and the crest of the next wave.
 

 

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