Our Universe Crossword
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
 
 
Down: 1) a star that becomes cooler, swells, and glows a red color2) the distance light can travel in one year (6 trillion miles)4) a rocky object in space that can be a few feet wide to a several hundred miles wide5) dense, invisible objects in outer space that form when a star collapses, Even light cannot escape from these.6) the space that contains all of the matter and energy in existence7) a small frozen mass of gas, dust and ice8) the path followed by an object in space as it moves around another object11) a person who travels in space13) having to do with the sun Across: 1) to turn around a center point or axis, like a wheel on a bike3) a collection of stars, nebulae, dust & gas that measures many light years across7) groups of stars9) one of the planet's natural satellites10) the meteroid that enters the Earth's atmosphere and looks like a brief streak of fire in the sky12) the layer of gases surrounding the Earth14) the orbital motion of one object around another15) a spherical object that orbits a central star and reflects the sun's light16) a hole formed by a meteorite hitting the surface of a planet or moon17) a piece of stone or metal that travels in space around the sun
 

 

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