In 1968, Professor Thomas R. Kane conducted an experiment to see if astronauts could move like falling cats. A photographer for LIFE Magazine, Ralph Crane, documented his results, and here we've turned them into a stop-motion video.

Thanks to Michelle Legro, who sent this our way, and also sent us this amazing archival film documenting aerospace research of how cats react in zero gravity: 

Photoraphs via How to Be a Retronaut. For more media from the LIFE Archive, visit  http://www.life.com/.