In space, thrown balls move in straight lines…
(This video is from Roskosmos and is not owned by or a performance of the Space Juggler)
The human body can rotate in a cartwheel motion...
Put those together and rotate the camera to create Space Juggling.
Here’s how it works…
Want to dig into these ideas on your own? Here’s a Wolfram Mathematica notebook uploaded to the Wolfram Community Forum. You can play around with the mathematics there.
https://community.wolfram.com/groups/-/m/t/2331903
If you’d like to just download that notebook. You can at this link.