Champagne distinctive "mushroom" shape becomes more apparent. The aging of the Champagne post-disgorgement can to some degree be told by the cork, as, the longer it has been in the bottle, the less it returns to its original cylinder shape. Champagne is usually served in a Champagne flute, whose characteristics include a long stem with a tall, narrow bowl, thin sides and an etched bottom. The intended purpose of the shape of the flute is to reduce surface area, therefore preserving carbonation, as well as maximizing nucleation (the visible bubbles and lines of bubbles). Legend it has it that the Victorian
Champagne ""'s shape was modelled on the breast of Madame de Pompadour, chief-mistress of King Louis XV of France, or perhaps Marie Antoinette, but the glass was designed in England over a century earlier especially for sparkling wine and champagne in 1663. Champagne is always served cold; its ideal drinking temperature is . Often the bottle is chilled in a bucket of ice and water, half an hour before opening, which also ensures the Champagne is less gassy and can be opened without spillage. Champagne buckets are made specifically for this purpose and often have a larger volume than standard wine-cooling