ST. LOUIS, Mo. - NASA and Saint Louis University are teaming up to learn more about the air we breathe.
They're launching weather balloons to study the atmosphere which will lift off each day through mid september.
The balloons will gather information about ozone levels and measure air quality. When the balloons ascend to 100,000 feet and pop, a parachute inflates and brings them back to earth.
The project almost didn't get off the ground because of a helium shortage, but with the help from NASA, the launch was a success.
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