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Balloon


 

A balloon is a flexible bag normally filled with air or gas. Some balloons are purely decorative, while others are used for specific purposes. Early balloons were made of dried animal bladders.

Usage of Balloons on other planets

The Russian space probe Vega abandoned in 1984 two aerobots in the atmosphere of Venus, from which signals could be received two days long.

Related Topics:
Vega - Aerobot - Venus

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