Is Being Immortal Really Possible?

Within a decade we will have spacecraft that can be accelerated to nearly third of the speed of light, or something like that. So within half a century, we will have actual images of an exo planet in our neighboring star system. The same principle will work just as well on large spacecraft with massive light sails,. But you would need much more powerful lazers too to accelerate such large spacecraft to relativistic velocities. In the next hundred years, definitely possible.