What exactly do space station astronauts do when they're not busy doing important astronaut things? They place a GoPro inside a floating water bubble!

According to the video's description, courtesy of NASA's Marshall Center, astronauts Steve Swanson and Reid Wiseman, along with European Space Agency astronaut Alexander Gerst, decided to explore the phenomenon of water surface tension in microgravity on the International Space Station.

So, what they did, was create a floating water bubble and then stuck a GoPro camera inside of it! What you see is the footage from INSIDE the bubble!

SCIENCE!

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