Astronomy 3 Crossword
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
 
 
Down: 1) physical rather than biological; not derived from living organisms.2) the result of tidal forces that over time slow the rotation of the smaller body until it is synchronized with its period of revolution around the larger body. 4) deviation of a curve or orbit from circularity.5) the degree of compactness of a substance.6) physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy7) the envelope of gases surrounding the earth or another planet.12) the indefinite continued progress of existence and events in the past, present, and future regarded as a whole.de Across: 3) the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.8)  a fundamental law of physics which states that the momentum of a system is constant if there are no external forces acting on the system.9) a property of a physical body.10) the circumstellar disc in the Solar System located roughly between the orbits of the planets Mars and Jupiter. 11) of, relating to, or resulting from living things, especially in their ecological relations.13) a secondary effect of the force of gravity and is responsible for the tides.
 

 

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