Astronomy C1s4 Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
 
Down: 1)  the state in which one object’s distance relative from another object is changing.2) a line joining a planet and the Sun sweeps out equal areas in equal intervals of time.5) the slow clockwise rotation of the axis of Earth around a cone, one cycle in about 26,000 years, due to gravitational tugs by the Sun, Moon, and major planets. 7)  the distance an object travels in one unit of time8)  the rate at which velocity changes.9)  (also called the ecliptic or plane of the ecliptic) a plane formed by the path of Earth around the Sun.13) a spherical cloud of material surrounding the head of a comet. Across: 3) the ratio of the distance between the foci and the length of the major axis of an ellipse.4)  the velocity at which a body revolves about another body.6)  the orbit of each planet around the Sun is an ellipse with the Sun at one focus.10) the speed of an object in a given direction.11)  the time a planet takes to complete one orbit is related to its average distance from the Sun. 12)  the angle between the orbital plane of the solar system and the actual orbit of an object around the Sun.
 

 

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