Are We Alone? Scientific American
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We are effectively alone in the universe - Big Think

moon which deserves to be noticed. The ellipticity of the earth's orbit is slowly diminishing ; so that it is becoming Fig. 6. more and more nearly circular and its area is

Are we alone? The question is worthy of serious scientific study

Scientific American Volume 35 Number 03 (July 1876) . pendent on the ear alone for .the study of musical A-ibrations. They can be made apparent ito the eye. If we attach a

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Are We Alone? Scientific American

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