Category: SETI

  • Near-Term Interstellar Mission

    A couple of years ago Dana Andrews described a 4,000 ton interstellar colony mission vehicle to Proxima Centauri. Although his main choice of propulsion was flawed (the laser-powered ion-drive can’t accelerate as fast as assumed) the basic question remains: Could we use near-term technology to launch a 210 year mission to Proxima Centauri, at 4.24 […]