Astronomy Crossword
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
                                   
 
 
Down: 1) Number of wave crests that pass a given point per second3) Transmission of energy through space w/o physical connection trough varying electric and magnetic fields 5) Earth is between the moon and sun; Only on full moons6) Radiation emitted by an object depending only on its temperature9) Measured in hours minutes and second eastward from position of the sun or vernal equinox13) The sum of two waves; may be larger or smaller than the original waves17) rises as sunset Across: 2) Depends solely on the relative motion of source and observer4) The sun will covered by the moon7) Sun and moon rises at the same time8) rises at sunrise10) Of the sun keeps the planets moving in their orbits11) Transmission of energy w/o the physical transport of material12) Corresponds to energy differences between allowed levels14) Speed at which crests move15) Time between passage of successive crests16) The bending of a wave around a obstacle18) Created when atoms absorb photons of right energy for excitation 19) Due to different amounts of sunlit portion being visible from Earth
 

 

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