Indian Space Research Organisation (ISRO) first dedicated multi-wavelength space observatory surpasses another full year in space today, launched 2015.
Saturday
— Japan Aerospace Exploration Agency (JAXA),
Low Earth Orbit (LEO)
Japan's X-Ray Imaging and Spectroscopy Mission (XRISM), studying galactic plasma, surpasses another full year in space today at ~550-km LEO, having ...
Saturday
— National Aeronautics and Space Administration (NASA),
Low Earth Orbit (LEO)