User:Wangpola/Editnotice

hello today i am going tell something about doppler effect that it one science theory that when car is far away from us we hear a broader pitch that due to longer wavelength and when it is near us it gave us higher pitch because of shorter wavelength and we know it from celestial body that they have term of red shift and blue shift that red shift tell when some celestial body farther from us it will turn into red color when it come nearer it will turn into blue so reoson behind this is related to doppler effect. let think on that tahnk you all tibetan boy tenzin wangpo