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The Astronauts on the ISS Submerge a GoRpo into a Floating Ball of Water

iss gopro

Image credit: GoPro in water by Steve Swanson, Reid Wiseman, and Alexander Gerst. Screen capture from YouTube.

In order to know better about the behavior of water surface tension in microgravity, three astronauts –Steve Swanson, Reid Wiseman, and Alexander Gerst, during their Expedition 40 in summer of 2014, had made the decision to insert a GoPro camera inside a floating ball of water when they were aboard the International Space Station. By application of a 3D camera, they succeeded in filming such event.

In space, it is natural for liquids to take on a spherical shape due to free fall in which they are. As a result, gravity fails to affect them as we see on Earth and instead the surface tension would shape them. It is hydrogen bonding between water molecules that would pull them together naturally thus causing a spherical configuration that would make surface area to a minimum.

You could watch the following videos captured by these three astronauts in 2D and 3D below, but for 3D version, you should prepare the 3D glasses for proper viewing.