Not funny. The most effective means of interstellar travel may be bases within planets or asteroids, not spaceships. When humans have communities on the Moon a

Not funny. The most effective means of interstellar travel may be bases within planets or asteroids, not spaceships. When humans have communities on the Moon and Mars, perhaps they'll build habitats inside asteroids, then with a few nudges to some of them, upset the entire gravitational equilibrium of the asteroid belt, slinging those asteroids out of the solar system, via the gravity fields of the giant gas planets. Humans are more likely to survive interstellar trips buried inside planets than a spaceship's husk.