Burp often? Maybe because it is often and is considered normal, we do not pay attention.
But, if we were in space, would we still be able to burp like on Earth?
The answer is no, according to British astronaut Tim Peake, who was on the Space Station (ISS) for 186 days.
“But the real explanation goes like this … you can still burp, but you don’t necessarily have to burp,” Peake said, answering questions about life in space from students in the UK.
Peake explains on Earth the air bubbles rise upwards, while the water where the air bubbles are is nowhere.
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So if for example we drink sparkling water and there are air bubbles in our stomach, then these air bubbles will rise. And then we burp.
This process occurs because there is gravity: everything with a lower density will go up, and anything with a higher density will go down.
When gravity is zero and when it is weightless, as happens in space, the air bubbles will move in all directions.
In space, when a fizzy tablet is placed in water in a bowl, air bubbles move everywhere.
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