3 ms·
You can get right up to relativistic velocities if you first sundive as close as you can while keeping your sail folded and protected by a heatshield, and then
by Tuna-Fish 8y ago
You can get right up to relativistic velocities if you first sundive as close as you can while keeping your sail folded and protected by a heatshield, and then deploy your sail right next to the sun.
But anyway, if you carry a solar sail to accelerate, why would you not use the same sail to decelerate as much as possible too?
- lmilcin 8y agoEspecially if you are going to a star roughly same or higher luminosity, you should have no problem braking with the sail. Also, you probably absolutely need to break with sails since you don't want to carry much fuel to break. Any reasonable amount of fuel required to break will be orders of magnitude more than the payload -- reducing effectiveness of sails by same factor.