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  • A weather balloon filled with hydrogen gas being released.
    Rights: The University of Waikato Te Whare Wānanga o Waikato Published 29 April 2014 Size: 96 KB Referencing Hub media

    A weather balloon filled with hydrogen gas is about to be released. As it ascends through the atmosphere, the attached instrument package relays information about temperature, pressure, humidity and wind speed to the ground operator.

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