Without gravity to separate the liquid and gas in the stomach, burping results in a kind of vomiting called "wet burping"
![Without gravity to separate the liquid and gas in the stomach, burping results in a kind of vomiting called "wet burping"](https://images.squarespace-cdn.com/content/v1/5983dc02d7bdcee0bc8e54bf/1501818899138-PP975A8MZG4RW18ZPZHD/image-asset.png)
Carbonated drinks have been tried in space, but are not favored due to changes in belching caused by microgravity; without gravity to separate the liquid and gas in the stomach, burping results in a kind of vomiting called "wet burping".[25] Coca-Cola and Pepsi were first carried on STS-51-F in 1985. Coca-Cola has flown on subsequent missions in a specially designed dispenser that utilizes BioServe Space Technologies hardware used for biochemical experiments. Space Station Mir carried cans of Pepsi in 1996.@Curionic
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