Many astronomers assume that Proxima Centauri, the nearest star to the Sun, is part of the binary system Alpha Centauri.

At a speed of 17 km/sec, it would take about 75,000 years to reach Proxima Centauri, the second nearest star from Earth.

The nearest star to our solar system is Proxima Centauri.

The true nature of the planet Alpha Centauri Bb is still a mystery.

Jedge works in a restaurant in a colony on the fourth planet of Alpha Centauri B.

At a distance of four point two light years, Proxima Centauri is the nearest star to our Sun.

We're headed for Proxima Centauri.

What star is closest to the Earth?" "Isn't it Alpha Centauri?" "No! It's the sun!"

Announced on the 16th of October of 2012, Alpha Centauri Bb may be the closest planet outside our Solar System and may be a "lava world."

Alpha Centauri is about 4.37 light years away from our sun.