Flat Earth, O'Neill cylinder, Rendezvous with Rama by Arthur C. Clarke, Oumuamua

Orlando-Ferguson-flat-earth-map Created: 1893 Public Domain

Flat Earth: 

https://en.wikipedia.org/wiki/Flat_Earth

https://physicsworld.com/a/fighting-flat-earth-theory/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8023606/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8800547/

=============to

O'Neill cylinder:

https://en.wikipedia.org/wiki/O%27Neill_cylinder

https://newspaceeconomy.ca/2023/10/14/exploring-the-oneill-cylinder-a-guide-to-the-hypothetical-space-habitat/

https://nss.org/o-neill-cylinder-space-settlement/

=============reference

Rendezvous with Rama by Arthur C. Clarke:

https://www.foliosociety.com/usa/rendezvous-with-rama.html

https://www.imdb.com/title/tt0134933/

https://en.wikipedia.org/wiki/Rendezvous_with_Rama

Eric Bruneton's Rama Colony Simulation (with Inception's "Time" soundtrack)

=============plus this

Oumuamua:

https://www.science.org/content/article/mystery-our-first-interstellar-visitor-may-be-solved

https://esahubble.org/videos/heic1813d/

https://news.yale.edu/2020/05/29/ahoy-oumuamua-may-be-hydrogen-iceberg