Why NASA's Atmospheric Perturbations Around The Eclipse Path (APEP) Will Fire Three Rockets At The Solar Eclipse? To look for perturbations—changes in the Earth’s atmosphere—during the eclipse, with four small scientific instruments measuring changes in electric and magnetic fields, density and temperature.
APEP is named after the serpent deity from ancient Egyptian mythology, nemesis of the sun deity Ra
>https://www.forbes.com/sites/jamiecartereurope/2024/03/26/why-nasa-will-fire-three-rockets-at-the-solar-eclipse/