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Originally Posted by sarakoth  Another thing I don't get is how they move around so fast in The Butlerin Jihad. Fold space drive wasn't invented yet but they could traverse the galaxy in a matter of months.
Also, astronomy seems to be a lost science. The "known universe" in Dune is much smaller than the "known universe" today. |
The known universe today is much bigger than the known universe back when the book was originally written too.