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XXIX ESC General Assembly, Sept. 12-17, 2004 - GFZ

XXIX ESC General Assembly, Sept. 12-17, 2004 - GFZ

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1881 1st interferometer measurement<br />

by Albert A. MICHELSON<br />

(1852-1931) in the vault under<br />

the eastern cupola of the AOP<br />

→<br />

• The experiment aimed at proving<br />

the relative motion of the Earth<br />

against the hypothetical „light ether“.<br />

• The negative outcome of this experiment suggested that the velocity of light<br />

is independent of the velocity of the light source.<br />

• This discovery encouraged Albert EINSTEIN (1879-1955) in his strong<br />

rejection of the „Ether Theory“ of light propagation and lead in its consequence<br />

to the development of the „Theory of Relativity“.<br />

Peter Bormann <strong>XXIX</strong> <strong>ESC</strong> <strong>General</strong> <strong>Assembly</strong>, <strong>Sept</strong>. <strong>12</strong>-<strong>17</strong>, <strong>2004</strong>

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