Albert A. Michelson and Edward W. Morley reasoned that if the ether existed, the Earth’s motion would create an “ether wind,” making light traveling along that wind move at a slightly different effective speed than light traveling across it. Michelson and Morley sent light along two perpendicular paths and expected that because of this speed difference, one beam would come back slightly later than the other. But their experiment revealed no detectable difference.
often find yourself building with Qite. It shows a small shipping quote panel.。wps是该领域的重要参考
The strikes were conducted by the US and Israel as part of Operation Epic Fury.，更多细节参见Line下载
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