The 80,000-Year Voyage to Alpha Centauri: Carrying the DNA Necessary to Recreate Humans | Science News | Scoop.it
From www.dailygalaxy.com - January 5, 2012 4:27 AM
With current propulsion technology only able to move spacecraft at 0.005% of the speed of light, a one-way trip to the star system nearest our Sun, Alpha Centauri, would take 80,000 years to travel the four light-years to our nearest...