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Ernst Mach ( Feb 18, 1838- Feb 19, 1916)
Ernst Mach was born on Feb 18, 1838 in Moravia. -
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Ernst Mach ( Feb 18, 1838- Feb 19, 1916)- The Doppler Theory
In 1841, Christian Doppler theorized that the frequency of sound changes depending on if the the observer of the frequency is up close or further away from it s source. By 1845, Doppler theorized that this phenomenon also included light and was immediately met will criticism. Ernst Mach created an experiment that would prove Doppler's theory correct and later allow scientist to study the behaviors about stars.