Hera mission headed to asteroid as part of planetary defense test to launch Monday Florida TodayEuropean spacecraft launches for ‘crash scene investigation’ of first planetary defense test CNNLift-off! SpaceX Launches Planetary Defense Hera Mission to Asteroid NewsweekSpaceX will launch Europe's Hera asteroid probe today: Watch it live Space.comHera spacecraft to visit Dimorphos asteroid that humans knocked off course BBC.com