If by star system you mean more than one star but not a galaxy then Alpha Centauri is the closest star system
After our own Sun, the closest star is called Proxima Centauri.
The closest star to our solar system is Proxima Centauri, which is located about 4.24 light-years away in the Alpha Centauri star system.
There are eight planets in the solar system, but the planet closest to the sun is Mercury.
No; in fact, the Alpha Centauri system is the closest star system to Earth.The closest star to us is the Sun; the next-closest star is Proxima Centauri, part of the Alpha Centauri system.
Proxima Centauri
The sun
Sol, commonly called the Sun, is the closest star to Earth.
My planet is Earth. Earth's closest star is the Sun.
Proxima Centauri is the closest star to Earth at a distance of about 4.24 light years away. It is part of the Alpha Centauri star system, which is the closest star system to our solar system.
The Pole Star (Polaris) is not the closest star to our solar system. It is located about 434 light-years away. The closest star to our solar system is Proxima Centauri, which is part of the Alpha Centauri star system and is located about 4.24 light-years away.
The closest star (aside from the Sun) to Earth is Alpha Centauri. It is about 4.22 light years away from earth. Though we call our star "the sun" its actual name is Sol which is used for the phrase "Solar System". All others are just systems and aren't in any way "solar".
My solar system contains only one star. We call it "the sun".