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Where is the closest star system to Earth?
Quick Answer
The nearest star system is Alpha Centauri, about 4.37 light-years away. It is in the constellation Centaurus.
The Full Story
Alpha Centauri is the closest star system to Earth, located about 4.37 light-years away in the southern constellation Centaurus. The system contains Alpha Centauri A and B, a binary pair, plus Proxima Centauri, the nearest known individual star to the Sun. Proxima Centauri is slightly closer to Earth than the two brighter stars. This system is a major target in the search for nearby exoplanets and possible future interstellar missions.
Key Facts
1.Distance: about 4.37 light-years
2.Constellation: Centaurus
3.Includes Proxima Centauri
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"The Sun’s nearest stellar neighbors are only 4.37 light-years away."
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