Alpha Centauri, located approximately 4.37 light-years (1 light-year is the distance light travels in one year, about 9.46 trillion kilometers) from the solar system, is the closest star to Earth after the sun. In terms of distance, it is about 43.7 trillion kilometers away. At the current rocket speed, it would take nearly 100,000 years to reach this star from Earth. Alpha Centauri is the brightest star in the constellation Centaurus and the fourth brightest star in the night sky. Although it appears as one star to the naked eye, it consists of Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. Proxima Centauri is known to have an exoplanet that could support life.
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