well not at the current level of technology they don't even know how to keep astronauts from going blind or losing muscle function space and space travel real

well not at the current level of technology they don't even know how to keep astronauts from going blind or losing muscle function space and space travel really really wants to kill life even Mars is going to be a one-way trip with very very short lifespan after that from all the radiation really makes you appreciate Earth's protective atmosphere and magnetosphere (and gravity) only clever idea I've seen is basically taking all the water you'd have to bring with you and turning it into a shield around the ship and using insane levels of recycling to maintain it