>0.01g will get you to 0.1c in under a century Okay, cool, but that's TWO centuries including the flip-&-burn halfway through. Also, an NSTAR thruster gives 0

>0.01g will get you to 0.1c in under a century Okay, cool, but that's TWO centuries including the flip-&-burn halfway through. Also, an NSTAR thruster gives 0.000092 m/s2 for a single-ton payload. That'll take roughly 10,000 years to get to 0.1c, not 100 or 200 years.