NASA Satellites Find Upper Atmosphere Cooling and Contracting Due to Climate Change
Since the mesosphere is much thinner than the part of the atmosphere we live in, the impacts of increasing greenhouse gases, such as carbon dioxide,…
Noctilucent Clouds
Electric Blue Streaks: High, Dry, and Rare in the Sky
Noctilucent clouds form so high in the atmosphere that they continue to reflect sunlight hours after sunset, creating a spectacular nighttime display. Clouds illuminated during…
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…
NASA’s AIM Mission Spots First Night-Shining Clouds of Antarctic Summer
Summer in Antarctica is marked by days in which the Sun never sets, balmy temperatures that hover as high as freezing, and electric-blue clouds of…
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…