Astronomy Crossword
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
 
 
Down: 1) A vehicle used for traveling in space. Some examples are rockets, space shuttles, and probes.3) A person who studies the objects and events that happen in space.5) the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.6) a star showing a sudden large increase in brightness 11) a cloud of gas and dust in outer space, Across: 2) A celestial body moving in an elliptical orbit around a star.4) An optical tool used to make far away things seem closer and bigger.7) An object made of ice and dust making a long, thin elipse orbit around the sun. Gas near the sun8) The discovery and exploration of outer space by means of space technology. 9) A huge ball of gas that gives off heat and light.10) a region of space having a gravitational field so intense that no matter or radiation can escape.12) a nuclear reaction in which atomic nuclei of low atomic number fuse to form a heavier nucleus with the release of energy13) A small body of mass revolving around a larger body of mass.14) satellites, equipement and debris left behind15) A system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
 

 

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