On This Day in Space! Oct. 4, 1957: Sputnik 1 becomes 1st human-made satellite
[ad_1] On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Sputnik 1,
Read more[ad_1] On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Sputnik 1,
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