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Since champagne is chilled, the surface of the liquid once opened chills the air to it's dew point creating what is known as the "Heather" of the champagne. French people from Reims in the Champagne region believe that breathing in this Heather has a rejuvenating effect on health

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11y ago
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13y ago

The pressure inside the bottle is released as the bottle is opened. This sudden release of pressure cools the gas so that water vapor condenses out as a fog.

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Q: What causes the thin fog that gathers at the mouth of a chilled champagne bottle?
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