Sputnik I
Definition
Sputnik I was the first artificial satellite launched into space by any country; this feat was achieved by Soviet Union in 1957 during Cold War era.
Analogy
Imagine you're in a race with your rival to see who can throw a ball furthest into an open field. Sputnik I is like that ball which Soviet Union threw further than anyone else had before, surprising everyone and changing game rules forever.
Related terms
Space Race: This term represents competition between two rivals - just as you might compete against your friend in throwing balls, USA and USSR were competing in exploring space during Cold War era.
Cold War: The period of political tension between USA and USSR after World War II. It's like a long-standing feud between two rival families.
Satellite: Just as the ball in our analogy, a satellite is an object launched into space to orbit around earth or another body in space.
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