naure.com
FoodSurprise 5/5Difficulty 4/5Reviewed on September 13, 2026

A bottle of champagne contains about 49 million bubbles.

Why it is true

A study from the University of Reims calculated that a bottle of champagne contains about 49 million bubbles. The bubbles form during fermentation and are released when the bottle is opened. The pressure inside the bottle is about three times the pressure of car tyres.

Source: University of Reims

Would you rather be asked first?

This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.

Test yourself →10-question challenge

Related facts

More in Food

See all →