Canadian Space Agency
Did you know? Fact number 1
The volume of the largest open stratospheric balloons used by Centre National d'Etudes Spatiales (CNES) can be up to 1,200,000 m3.
Did you know? Fact number 2
The height of a deployed balloon, including the flight chain, is about 300 m, about half as tall as the CN Tower.
Did you know? Fact number 3
The envelope alone can be as high as a 35-floor building, or the height of the tower of Montreal's Olympic Stadium; and its diameter is equivalent to the size of 2 hockey rinks or 2 Airbus A-340s.
Did you know? Fact number 4
The area of the envelope, if deployed flat, is equivalent to approximately 8 soccer fields.
Did you know? Fact number 5
For more information on other types of balloons, visit the following website: www.cnes.fr/web/CNES-fr/8510-differents-types-de-ballons.php (French only).
Secondary (piggy-back) payloads should be < 50 kg