Noun
aeronomy (uncountable)
A branch of science that deals with the upper atmosphere of the Earth and the other planets with reference to their chemical composition, physical properties, relative motion, and responses to radiation from space.
Noctilucent clouds glow over Antarctica in these images collected by NASA’s Aeronomy of Ice in the Mesosphere spacecraft in 2016. Source: Internet
“Mobility data have big advantages” for estimating short-term changes in emissions, says Jenny Stavrakou, a climate scientist at the Royal Belgian Institute for Space Aeronomy in Brussels who wasn’t involved in the study. Source: Internet