Astronomy Test #2 Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 1) A band of light that makes a circle around the celestial sphere. What is it? -Our view into the plane of our galaxy. (spiral (or disk) galaxy) Milky Way = Zone of Avoidance2) Stars near the north celestial pole are circumpolar and never set. We cannot see stars near the south celestial pole. All other stars (and Sun, Moon, planets) rise in east and set in west. A CIRCUMPOLAR STAR NEVER SETS.3) Is a region of the sky 4) The point directly overhead5) An objects altitude (above horizon) and direction (along horizon) specify its location in your local super cluster. 6) Line passing through zenith and connecting N and S points on the horizon 7) Earths Rotation11) Angular size=physical size x 360 degrees/2pie x distance. An objects angular size appears smaller if it is father away. Across: 8) Earths revolution9) They depend on the LATITUDE because your position on earth determines which constellations remain below the horizon. They depend on the time of the year because earths orbit changes the apparent location of the sun among the stars.10) (Full Circle=360) (1d=60 (arcminutes)=3600) (1'=60d (arcseconds) 12) All points 90 away from zenith
 

 

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