Storm hunter turns two

Image: The Atmosphere-Space Interactions Monitor or ASIM, mounted outside the European laboratory of the International Space Station, enters its second year of science operations. Launched in April 2018, the payload began operating on 14 June 2018 and has been studying thunderstorms 400 km above Earth ever since. Specifically, ASIM is on the hunt for elusive electrical discharges in the upper atmosphere, or lightning that extends upwards into space. These discharges have alluring names like red ...