The star system Alpha Centauri has a planet called Alpha Centauri Bb.

European scientists have discovered a potentially habitable planet orbiting Proxima Centauri, the closest star to our solar system.

Alpha Centauri B is the sun of the planet Alpha Centauri Bb­.

We're headed for Proxima Centauri.

He wrote the article "Exobiological Presence in Alpha Centauri."

Alpha Centauri is a system of three stars. We don't know yet whether it has planets.

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

Jedge has already visited other neighboring planets of the Alpha Centauri system.

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

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