Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
Leon Teisserenc de Bort used unmanned balloons carrying instruments to discover the troposphere and the stratosphere. He was the first to recognize the different temperature structure of the two layers.
The Perlan Project is taking gliders high into the stratosphere to study the ozone hole.
Discover the flashes of light and anti-matter that happen above thunderstorms and are best studied from the International Space Station.
Learn how the radiation exposure received by airline pilots over their career can lead to illness and how researchers are hoping to minimize their exposure.