For the purpose of undertaking interstellar travel, we would need spacecraft with a speed near at least one-tenth the velocity of light. At that speed, spacecraft may want to attain Proxima Centauri in a handful of decades and send lower back pics some years later, properly inside a human lifetime.
What can we want for interstellar travel?
A large number of interstellar travel principles require an advanced area logistics system able to transfer hundreds of thousands of tonnes to a production/working location, and maximum could require gigawatt-scale strength for production or strength.
hence, For the purpose of undertaking interstellar travel, we would need spacecraft with a speed near at least one-tenth the velocity of light.
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