Astronomy Ch.2 (User's Guide to the Sky) Crossword
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
                                        
 
 
Down: 1) the imaginary line around the sky directly above earth's equator2) the point on the sky directly above the observer3) the brightness of a star as seen by human eyes on earth4) the slow change in the direction of Earth's axis of rotation; one cycle takes nearly 26,000 years7) one of the four cardinal directions; the point on the horizon directly east8) one of the four cardinal directions; the point on the horizon directly south9) one of the four cardinal directions, the point on the horizon directly north11) an imaginary sphere of very large radius surrounding Earth to which the planets, stars, and moon seem to be attached 12) the angle formed by lines extending from the observer to opposite sides of an object13) a tentative description of a phenomenon for use as an aid to understanding 14) a named grouping of stars that is not one of the recognized constellations; examples are the big dipper and pleiades 16) one of the stellar patterns identified by name, usually of mythological gods, people, animals, or objects. THE REGION OF THE SKY CONTAINING THAT STAR PATTERN21) the circular boundary between the sky and Earth Across: 5) an angular measure, one sixtieth of an arc minute 6) the angle formed by lines extending from the observer to two locations10) the point on the celestial sphere directly above Earth's North Pole15) the point on the celestial sphere directly below the observer; the opposite of the zenith17) one of the four cardinal directions; the point on the horizon directly west18) a measure of the flow of energy through a surface. usually applied to light19) a constellation so close to one of the celestial poles that it never sets or never rises as seen from a particular latitude 20) the point on the celestial sphere directly above earth's South Pole22) an angular measure, one sixtieth of a degree23) the astronomical brightness scale; the larger the number, the fainter the star24) one of the two points on the celestial sphere directly above earth's poles
 

 

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