Universe: Interstellar Travel • English Conversation Questions

What are the major challenges of achieving interstellar travel?
What propulsion technologies are being explored for interstellar travel?
How long would it take for humans to travel to the nearest star system?
What are some potential benefits of interstellar travel?
What are the potential risks and dangers associated with interstellar travel?
Are there any proposed methods for faster-than-light travel?
What impact would interstellar travel have on our understanding of the universe?
What are the current limitations in terms of spacecraft design for interstellar travel?
How can we ensure the survival of humans during long-duration interstellar journeys?
What role does artificial intelligence play in interstellar travel?
Are there any ongoing missions or projects related to interstellar travel?