Definition

1. Noun:
   • A Russian artificial satellite: "Sputnik" refers specifically to a series of early artificial satellites launched by the Soviet Union. The name itself is a Russian word meaning "satellite" or "fellow traveler."
   • A historical milestone in space exploration: The term is most famously associated with Sputnik 1, the first human-made object to be placed into orbit around the Earth.

Examples of Usage

• Noun:
  • The launch of Sputnik in 1957 marked the beginning of the space age.
  • The word "Sputnik" became known worldwide after the successful Soviet mission.

Advanced Usage

• "Sputnik moment": A phrase used to describe a sudden, shocking realization that one's country has fallen behind in a critical area of technology or competition, prompting a national effort to catch up. This idiom originates from the impact of the original Sputnik launch on the United States.
  • The rapid advancement of their rival's technology created a Sputnik moment for the research team.

Variants and Related Words

• Satellite (n): A general term for an object in orbit around a celestial body, which can be natural (like a moon) or artificial.
  • The company launched a communications satellite.
• Probe (n): An unmanned spacecraft used to gather information from space.
  • The space probe sent back images of Mars.

Synonyms

• Artificial satellite: A human-made object orbiting a celestial body.
• Orbiter: An object or spacecraft that orbits a planet or moon.

Related Phrases

• Sputnik program: Refers to the series of Soviet satellite missions, including Sputnik 1, 2, and 3.
  • The Sputnik program demonstrated early Soviet leadership in space.

Noun

1. a Russian artificial satellite
   • Sputnik was the first man-made satellite to orbit the earth