Low-Tech Spacefaring Civilizations

We typically imagine interstellar civilizations as vastly superior in technology to modern times, but could the future see planets colonized by spaceships little better than our modern ones? Could some alien worlds allow space travel to develop far sooner and easier than it did on Earth? Or could civilizations abandon more advanced technology?
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Credits:
Low-Tech Spacefaring Civilizations
Science & Futurism with Isaac Arthur
Episode 260; October 15, 2020
Written, Produced, and Narrated by Isaac Arthur
Editors:
Darius Said
Jerry Guern
Keith Blockus
Konstantin Sokerin
Cover Art:
Jakub Grygier www.artstation...
Graphics:
Bryan Versteeg spacehabs.com
Fishy Tree www.deviantart...
Jeremy Jozwik www.artstation...
LegionTech Studios
SpaceResourcesCGI
Sergio Botero www.artstation...
Udo Schroeter
Music Courtesy of Epidemic Sound epidemicsound.c...