A starship or interstellar spacecraft is a theoretical spacecraft designed for traveling between stars, as opposed to a vehicle designed for orbital spaceflight or interplanetary travel.
The term is mostly found in science fiction, as humans have not yet constructed such vehicles. While the Voyager and Pioneer probes have traveled into local interstellar space, they are not generally considered starships because they have not traveled to other stars and also because they are not vessels. However, exploratory engineering has been undertaken on several preliminary designs and feasibility studies have been done for starships that could be built with modern technology or technology thought likely to be available in the near future.
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