Space travel for civilians is likely to revolutionize vacationing in several ways over the next 50 years:

1. Space Tourism Destinations: Orbital hotels, space stations, and possibly even lunar or Martian colonies could become popular vacation spots. Companies like SpaceX, Blue Origin, and Virgin Galactic are already making strides in this direction.
2. New Activities: Zero-gravity sports, spacewalks, and other unique activities that can only be experienced in space will become major attractions. Tourists might also participate in scientific experiments or virtual reality experiences enhanced by the unique environment of space.
3. Luxury and Exclusivity: Initially, space vacations will likely be a luxury available only to the wealthy, offering exclusive and highly personalized experiences. As technology advances and costs decrease, these vacations could become more accessible to a broader audience.
4. Environmental Impact: As space travel becomes more common, the focus on sustainable and environmentally-friendly practices will be crucial. Innovations in space travel technology could also influence terrestrial travel and lead to more eco-friendly solutions.
5. Cultural Exchange: Space tourism could foster a new era of cultural exchange and collaboration as people from different parts of the world come together for a shared experience. This could lead to a more interconnected global community with a broader perspective on our place in the universe.
6. Safety and Regulations: The development of comprehensive safety protocols and international regulations will be essential to ensure the well-being of space tourists. This will involve collaboration between governments, private companies, and international bodies.
7. Technological Advancements: Advances in propulsion, life support, and habitat construction will be driven by the demands of civilian space travel. These technologies may also have applications on Earth, improving various aspects of everyday life.
8. Economic Impact: The space tourism industry is likely to become a significant economic driver, creating new jobs and business opportunities both in space and on Earth. This could include everything from space travel agencies to new forms of entertainment and hospitality.
9. Inspiration and Education: Civilian space travel will inspire new generations to pursue careers in science, technology, engineering, and mathematics (STEM). Educational programs and partnerships with schools and universities will help prepare the next generation for a future where space travel is commonplace.

Overall, civilian space travel will transform vacationing into an extraordinary adventure that expands human experience beyond Earth, making the vastness of space a new frontier for exploration and leisure.