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Noctilucent Clouds

Science Made Simple: Earth’s Upper Atmosphere

The Earth’s atmosphere has four primary layers: the troposphere, stratosphere, mesosphere, and thermosphere. These layers protect our planet by absorbing harmful radiation. Thermosphere 53–375 Miles…

Meteor Smoke Detected in Noctilucent Clouds

First noticed in 1885, noctilucent clouds have left researchers with many unanswered questions and now that scientists working on NASA’s AIM mission have detected bits…