procyon

  • Lost Japanese Spacecraft Has Made A Key Measurement On Rosetta’s Comet

    Lost Japanese Spacecraft Has Made A Key Measurement On Rosetta’s Comet

    Rae Paoletta

    Japan’s Proximate Object Close Flyby with Optical Navigation (PROCYON) has been lost in space ever since its ion thrusters blew out in 2014. Since then, the tiny spacecraft has done its best to be useful, orbiting the Sun by itself. A new study reveals the PROCYON made some impressive observations on Comet 67P/Churyumov-Gerasimenko, the same…