[Answer] 3. October 4, 1957 - On this day, the first ever man-made satellite was launched into space, triggering an era of space exploration and travel. What was the name of this satellite, both a Cold-War salvo and a massive scientific step forward?

Step 1 : Introduction to the question "3. October 4, 1957 - On this day, the first ever man-made satellite was launched into space, triggering an era of space exploration and travel. What was the name of this satellite, both a Cold-War salvo and a massive scientific step forward?"

...1. Voyager 1 2. Vostok 1 3. Intrepid 1 4. Sputnik 1 Sputnik 1, the first ever man-made object to orbit the Earth, was launched by the Soviet Union, and was indeed a major turning point in both the Cold War and the pursuit of space exploration. The United States space program was spurred by this demonstration of Soviet space domination.

Step 2 : Answer to the question "3. October 4, 1957 - On this day, the first ever man-made satellite was launched into space, triggering an era of space exploration and travel. What was the name of this satellite, both a Cold-War salvo and a massive scientific step forward?"

Sputnik 1:

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