Water bubbles that pop out of the floating shiny orb! This is the magic that would happen when you pop an effervescent tablet (Alka-Seltzer!) into a water bubble in space.

After the Alka-Seltzer is added, the dissolving tablet fizzes and bubbles inside the dyed water "This is a huge leap in camera technology for spaceflight," Grubbs said.

Here's Alka-Seltzer in Space as a Weird Bubbling Orb Space is the best place to play with fluid dynamics. By Rollin Bishop Published: Jul 28, 2015 11:43 AM EDT ...

Alka-Seltzer's customers were mostly older folks, ... We changed the directions on the packages and began showing two Alka-Seltzers dropping into a glass of water in every commercial.