NASA's Atmospheric Waves Experiment (AWE) instrument has concluded its data collection phase, exceeding its planned two-year mission. On May 21, ground controllers powered down the instrument, which had been installed on the exterior of the International Space Station (ISS) since November 2023. AWE was dedicated to studying atmospheric gravity waves, which are large-scale disturbances in Earth's atmosphere, with the goal of understanding their impact on space weather and the ionosphere.

Atmospheric gravity waves are generated by meteorological phenomena in the lower troposphere, such as storms or airflow over mountain ranges. These waves propagate vertically through the atmospheric layers, transferring energy and momentum from the lower to the upper atmosphere. Upon reaching the thermosphere, they can influence the density and composition of this layer, in turn affecting the ionosphere, a critical region for radio communications and satellite navigation systems. The AWE mission aimed to quantify this energy transfer and its effect on space weather variability.

The successful conclusion of the AWE mission provides a valuable dataset for the scientific community. The collected data will enable researchers to improve atmospheric and space models, leading to greater accuracy in space weather prediction. A deeper understanding of how Earth's atmosphere interacts with the space environment is fundamental for protecting technological assets in orbit and for the safety of crewed space missions. Analysis of these data will continue in the coming years, shedding light on the complex dynamics between Earth's atmosphere and space.