Astronomy Vocab Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
 
Down: 2) The apparent motion of a planet in the direction opposite to that of other bodies within its system. In the northern hemisphere this would be the movement of planes to the right (westward) relative to the background stars. 3) For every action, there is an equal and opposite reaction. 4) One astronomical unit is the average distance from Earth to the Sun.5) An Incorrect description of the universe with the Earth at the center, and the sun, moon, stars, and planets circling Earth.6) The apparent movement of an object because of a change in the observer's point of view. Across: 1) The correct description of the universe with the Sun at the center, and the moon, stars, and planets circling around the sun.7) Force = Mass X Acceleration8) Objects in motion stay in motion unless acted upon by a force.9) The oval shaped path that all celestial bodies use to orbit one another.
 

 

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