Filed Under: Facts About Bubbles

What Happens to Bubbles in Space?



Bubbles are awesome on earth, but what about in space?

Still awesome.

Here is a video showing some interesting experiments with bubbles in microgravity.

 

Can You Blow a Bubble In the Vacuum of Space?

Nope. What would you blow?

With no air molecules to blow into the soap film, there is nothing to create the bubble. Even if you brought your own air — which would be wise — the bubble you created would pop immediately.

On earth, when you create a bubble, the air pressure within the bubble is equal to the air pressure outside the bubble.  This eaquilibrium of pressure, combined with surface tension is what gives a bubble its round shape.

In the vacuum of space, however, there would be no pressure on the outside of the bubble to equal out the pressure from within, so the air inside would burst the bubble instantly.

What About In a Spaceship?

bubbles in space

In a pressurized spaceship, with oxygen flowing, you can blow a bubble just as you would on earth.  But, interestingly, the bubble might last a little longer.

On earth, gravity pulls on the water molecules forcing them towards the bottom of the bubble, while thinning out the top of the bubble. As the bubble thins out, it will pop much more easily.

In space, there is no gravity so the bubble will remain equally thick around the whole bubble.

 

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