Under the ocean the bubble is held in place but the water pressure. This is already a solved problem - see diving bell: https://en.m.wikipedia.org/wiki/Diving_b

Under the ocean the bubble is held in place but the water pressure. This is already a solved problem - see diving bell: https://en.m.wikipedia.org/wiki/Diving_bell#:~:text=A%20diving%20bell%20is%20a,greater%20than%20the%20external%20ambient https://en.m.wikipedia.org/wiki/Diving_bell#:~:text=A%20divi... In the atmosphere, how do you meaningfully keep that bubble around you?