SOLAR SYSTEM

Detailed explanation-1: -The nearest star to the Earth after the sun is the star Proxima Centauri . It is a companion star to the binary star system Alpha Centauri AB and is approx 4.2 light-years away from Earth.

Detailed explanation-2: -Proxima Centauri is a small, low-mass star located 4.2465 light-years (1.3020 pc) away from the Sun in the southern constellation of Centaurus. Its Latin name means the ‘nearest [star] of Centaurus’. It was discovered in 1915 by Robert Innes and is the nearest-known star to the Sun.

Detailed explanation-3: -Proxima Centauri is the closest star to the Sun, lying just over four light-years away. The newly discovered planet, named Proxima d, orbits Proxima Centauri at a distance of about four million kilometres, less than a tenth of Mercury’s distance from the Sun.

Detailed explanation-4: -There are lots of stars in the universe, but the Sun is the closest one to Earth, and it’s the only one in our solar system. It is the center of our solar system.