Astronomy Test #2 Crossword
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
                                                         
 
 
Down: 1) Earths Rotation2) Is a region of the sky 4) (Full Circle=360) (1d=60 (arcminutes)=3600) (1'=60d (arcseconds) 5) 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 Avoidance11) An objects altitude (above horizon) and direction (along horizon) specify its location in your local super cluster. Across: 3) Angular size=physical size x 360 degrees/2pie x distance. An objects angular size appears smaller if it is father away.6) 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.7) Line passing through zenith and connecting N and S points on the horizon 8) The point directly overhead9) All points 90 away from zenith10) 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.12) Earths revolution13) Earths Rotation
 

 

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