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# Interstellar Expansion WITHOUT Faster Than Light Travel
- URL: https://www.cascadepbs.org/show/pbs-space-time/episode/interstellar-expansion-without-faster-than-light-travel-maqlv2/
- Published: 2024-05-16T20:30:31.000Z
- Updated: 2025-08-21T13:46:55.000Z
- Description: To travel the stars without faster than light travel we’re going to need a generation ship.
- Author: Cascade PBS Staff
- Tags: PBS Space Time, Season 10, Episode 9, #ZZZ_Episode_533efa0c-9094-427f-a6cb-4c57a061245f, #episode, #ZZZ_Show_ae70f836-13b6-4c9d-b61f-99f7b8bc29eb, #v1.16

In the far future we may have advanced propulsion technologies, but what if those technologies never materialize? Are we imprisoned by the vastness of space—doomed to remain in the solar system of our origin? Perhaps not. A possible path to a contemporary cosmic dream may just be to build a ship which can support human life for several generations; a so-called generation ship.