Regular spacecraft would take more than 30,000 years to traverse the
4.37 light-years (25 trillion miles) to Alpha Centauri, but this
nanocraft could complete the same journey in just 20 years, returning
images and data to Earth of planets in the Alpha Centauri system.

La nascita del viaggio interstellare.

New Project Plans To Send A Spacecraft To Alpha Centauri In 20 Years