Naked Science Forum

General Science => Question of the Week => Topic started by: Hannah LS on 26/11/2018 16:18:32

Title: QotW - 18.11.25 - What happens to bubbles in zero gravity?
Post by: Hannah LS on 26/11/2018 16:18:32

Malcolm asks:

After watching the Sony film 'Passengers' and seeing what happens to the swimming pool after loss of gravity, I would like to know what happens to an air bubble inside a mass of water when there is no reference to where upwards is?

Any thoughts?

Title: Re: QotW - 18.11.25 - What happens to bubbles in zero gravity?
Post by: Colin2B on 26/11/2018 16:30:53

it will stay where it is because no force to make it 'float', but it might expand a little depending on depth due to reduction in pressure.

Title: Re: QotW - 18.11.25 - What happens to bubbles in zero gravity?
Post by: evan_au on 26/11/2018 20:49:26

Here is a video created on the ISS of astronauts playing with their food.
One astronaut grows a large droplet of water, with bubbles inside, while others bombard it with M&Ms...