On This Day In Space: Oct. 4, 1957: Sputnik 1 becomes 1st human-made satellite

On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Here's how it happened On This Day In Space!

On This Day In Space: Oct. 4, 1957: Sputnik 1 becomes 1st human-made satellite
On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Here's how it happened On This Day In Space!