Sputnik 1
1957-10-04
The beginning of the space age
Front side
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Back side
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The participants of the observation of the first in the world soviet artificial satellite around the earth.
Thank you very much for the message that you sent us. Your observations are a scientific treasure and are useful for our
examination of the materials accordingly with the program of the international geophysical year.
We're hoping that in the future we will continue to receive messages from you.
Committee of USSR of MGG.
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Translated by Dima Iankova, University of Washington, 2001-11-14
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