Which is the cloest neighbour to our solar system
Answers
The Sun has close stellar neighbors, although the term "close" is relative. Most of them lie at least a few light-years away, far enough that it will be a long time before anyone can visit them.
Our Sun exists in the Milky Way with hundreds of millions or perhaps trillions of other stars. It's not in the center of the galaxy, but lies out in the suburbs, well away from the core. The local neighborhood is called the Orion Arm and is about 26,000 light-years from the galaxy's center.
Stars aren't too close together out in the suburbs of our stellar city. Compared to the core, where stars are bunched together very closely (often much less than a light-year apart), stars in the Orion arm are light-years apart. That means a trip to the closest ones would take a spaceship hundred of years to get there (unless it could travel at light-speed).
IT IS 4.2 LIGHT YEARS AWAY