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NASA has way too much fun on the International Space Station.

Watch what happens when you add colour to a zero-G bubble


Daniel Martins
Digital Reporter

Monday, October 12, 2015, 2:25 PM - NASA has way, way too much fun in space. Or, at least, the astronauts and cosmonauts aboard the International Space Station do.

Earlier this year, they already answered the age-old question you never knew you wanted to ask: what happens when you put an effervescent like an Alka-Seltzer pill into a ball of water floating in zero-gravity.

The answer: It looks like a roiling mass of clouds within the bubble, trapped within by the same surface tension that keeps the bubble together in the first place.

Now, as you can see above, they've experimented with adding a daub of colour to the mix, and the results are mesmerizing.

But it's not just for kicks. Aside from giving new insight into fluid dynamics in space, the stunts serve another purpose: Testing out the new cameras capable of shooting footage up to 6K resolution, or 6144 x 3160 pixels. To give you an idea of how detailed that would be, the average HD TV you can pick up at a hardware store only manages to 1920 x 1080.

"The higher resolution images and higher frame rate videos can reveal more information when used on science investigations, giving researchers a valuable new tool aboard the space station," the agency says.

NASA's experiments with water have always been fun to watch, like the one below, carried out by Chris Hadfield when he was in command of the International Space Station:

SOURCE: NASA

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