> to not nauseate the human body, they need to be fairly large I completely agree with your reasons why it hasn't been explored further (sadly budget issues ki

> to not nauseate the human body, they need to be fairly large I completely agree with your reasons why it hasn't been explored further (sadly budget issues killed even a small experimental module for the ISS[1]). Just how large is somewhat disputed though[2, pages 20-22]. By these estimates, ~10 Starship launches (ballpark $100M-500M launch price tag) could loft a dumbbell-shaped rotating station into LEO. 1: https://en.wikipedia.org/wiki/Centrifuge_Accommodations_Module https://en.wikipedia.org/wiki/Centrifuge_Accommodations_Modu... 2: https://space.nss.org/wp-content/uploads/Space-Settlement-Population-Rotation-Tolerance-Globus.pdf https://space.nss.org/wp-content/uploads/Space-Settlement-Po...