Chapter 1 Astronomy Section 1 Crossword
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
                            
 
1) a large grouping of stars in space
Down: 1) a large grouping of stars in space 2) a physical property of a substance that is expressed as the mass of a substance per unit volume 4) an apparent shift in the position of an object when viewed from different positions 5) a unit of measurement equal to the average distance between the Sun and Earth 8) a celestial object that gives off its own light and is made up of a mass of gas held together by its own gravity 10) a unit of measurement equal to distance light travels in one year Across: 3) a large, round body that orbits the Sun 6) a unit of measurement used in astronomy to describe large distances 3.26 light years 7) the force of attraction between two bodies due to their masses 8) the Sun and the planets and other bodies that travel around the sun 9) an arrangement of lenses and / or mirrors that can be used to view distant objects 11) all of space and everything in it 12) the thin layer of gases that surround planets and stars being held by gravity 13) a scientist who studies the universe
 

 

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